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Finding the Fourth Proportional to 571,101.45, 856,654.17 and 144,637.17

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Solution

The fourth proportional to 571,101.45, 856,654.17 and 144,637.17 is: 216,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,101.45 : 856,654.17 = 144,637.17 : x
  2. Step 2: Convert to fraction form
    571,101.45/856,654.17 = 144,637.17/x
  3. Step 3: Cross multiply
    571,101.45x = 856,654.17 × 144,637.17
  4. Step 4: Simplify right side
    571,101.45x = 123,904,034,817.50
  5. Step 5: Solve for x
    x = 123,904,034,817.50/571,101.45
  6. Step 6: Final answer
    x = 216,956.26

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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.