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Finding the Fourth Proportional to 72,301.60, 108,452.40 and 63,553.60

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Solution

The fourth proportional to 72,301.60, 108,452.40 and 63,553.60 is: 95,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301.60 : 108,452.40 = 63,553.60 : x
  2. Step 2: Convert to fraction form
    72,301.60/108,452.40 = 63,553.60/x
  3. Step 3: Cross multiply
    72,301.60x = 108,452.40 × 63,553.60
  4. Step 4: Simplify right side
    72,301.60x = 6,892,540,448.64
  5. Step 5: Solve for x
    x = 6,892,540,448.64/72,301.60
  6. Step 6: Final answer
    x = 95,330.40

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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.