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Finding the Fourth Proportional to 571,101.96, 856,654.92 and 144,637.68

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Solution

The fourth proportional to 571,101.96, 856,654.92 and 144,637.68 is: 216,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,101.96 : 856,654.92 = 144,637.68 : x
  2. Step 2: Convert to fraction form
    571,101.96/856,654.92 = 144,637.68/x
  3. Step 3: Cross multiply
    571,101.96x = 856,654.92 × 144,637.68
  4. Step 4: Simplify right side
    571,101.96x = 123,904,580,189.39
  5. Step 5: Solve for x
    x = 123,904,580,189.39/571,101.96
  6. Step 6: Final answer
    x = 216,957.02

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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.