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Finding the Fourth Proportional to 239,008.96, 358,531.80 and 61,517.71

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Solution

The fourth proportional to 239,008.96, 358,531.80 and 61,517.71 is: 92,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,008.96 : 358,531.80 = 61,517.71 : x
  2. Step 2: Convert to fraction form
    239,008.96/358,531.80 = 61,517.71/x
  3. Step 3: Cross multiply
    239,008.96x = 358,531.80 × 61,517.71
  4. Step 4: Simplify right side
    239,008.96x = 22,056,055,298.18
  5. Step 5: Solve for x
    x = 22,056,055,298.18/239,008.96
  6. Step 6: Final answer
    x = 92,281.29

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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.