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Finding the Fourth Proportional to 97,475.40, 146,202.30 and 79,914.60

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Solution

The fourth proportional to 97,475.40, 146,202.30 and 79,914.60 is: 119,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,475.40 : 146,202.30 = 79,914.60 : x
  2. Step 2: Convert to fraction form
    97,475.40/146,202.30 = 79,914.60/x
  3. Step 3: Cross multiply
    97,475.40x = 146,202.30 × 79,914.60
  4. Step 4: Simplify right side
    97,475.40x = 11,683,698,323.58
  5. Step 5: Solve for x
    x = 11,683,698,323.58/97,475.40
  6. Step 6: Final answer
    x = 119,863.05

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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.