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Finding the Fourth Proportional to 354,489.51, 531,731.52 and 88,248.27

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Solution

The fourth proportional to 354,489.51, 531,731.52 and 88,248.27 is: 132,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,489.51 : 531,731.52 = 88,248.27 : x
  2. Step 2: Convert to fraction form
    354,489.51/531,731.52 = 88,248.27/x
  3. Step 3: Cross multiply
    354,489.51x = 531,731.52 × 88,248.27
  4. Step 4: Simplify right side
    354,489.51x = 46,924,386,744.47
  5. Step 5: Solve for x
    x = 46,924,386,744.47/354,489.51
  6. Step 6: Final answer
    x = 132,371.72

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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.