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Finding the Fourth Proportional to 134,842.59, 202,354.16 and 55,956.89

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Solution

The fourth proportional to 134,842.59, 202,354.16 and 55,956.89 is: 83,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,842.59 : 202,354.16 = 55,956.89 : x
  2. Step 2: Convert to fraction form
    134,842.59/202,354.16 = 55,956.89/x
  3. Step 3: Cross multiply
    134,842.59x = 202,354.16 × 55,956.89
  4. Step 4: Simplify right side
    134,842.59x = 11,323,109,472.16
  5. Step 5: Solve for x
    x = 11,323,109,472.16/134,842.59
  6. Step 6: Final answer
    x = 83,972.80

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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.