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Finding the Fourth Proportional to 97,683.40, 146,525.10 and 45,195.40

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Solution

The fourth proportional to 97,683.40, 146,525.10 and 45,195.40 is: 67,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,683.40 : 146,525.10 = 45,195.40 : x
  2. Step 2: Convert to fraction form
    97,683.40/146,525.10 = 45,195.40/x
  3. Step 3: Cross multiply
    97,683.40x = 146,525.10 × 45,195.40
  4. Step 4: Simplify right side
    97,683.40x = 6,622,260,504.54
  5. Step 5: Solve for x
    x = 6,622,260,504.54/97,683.40
  6. Step 6: Final answer
    x = 67,793.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.