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Finding the Fourth Proportional to 239,159.81, 358,760.34 and 61,665.32

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Solution

The fourth proportional to 239,159.81, 358,760.34 and 61,665.32 is: 92,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,159.81 : 358,760.34 = 61,665.32 : x
  2. Step 2: Convert to fraction form
    239,159.81/358,760.34 = 61,665.32/x
  3. Step 3: Cross multiply
    239,159.81x = 358,760.34 × 61,665.32
  4. Step 4: Simplify right side
    239,159.81x = 22,123,069,375.61
  5. Step 5: Solve for x
    x = 22,123,069,375.61/239,159.81
  6. Step 6: Final answer
    x = 92,503.29

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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.