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Finding the Fourth Proportional to 97,743.40, 146,615.10 and 88,995.40

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Solution

The fourth proportional to 97,743.40, 146,615.10 and 88,995.40 is: 133,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.40 : 146,615.10 = 88,995.40 : x
  2. Step 2: Convert to fraction form
    97,743.40/146,615.10 = 88,995.40/x
  3. Step 3: Cross multiply
    97,743.40x = 146,615.10 × 88,995.40
  4. Step 4: Simplify right side
    97,743.40x = 13,048,069,470.54
  5. Step 5: Solve for x
    x = 13,048,069,470.54/97,743.40
  6. Step 6: Final answer
    x = 133,493.10

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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.