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Finding the Fourth Proportional to 153,158.42, 229,711.71 and 42,324.50

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Solution

The fourth proportional to 153,158.42, 229,711.71 and 42,324.50 is: 63,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,158.42 : 229,711.71 = 42,324.50 : x
  2. Step 2: Convert to fraction form
    153,158.42/229,711.71 = 42,324.50/x
  3. Step 3: Cross multiply
    153,158.42x = 229,711.71 × 42,324.50
  4. Step 4: Simplify right side
    153,158.42x = 9,722,433,269.90
  5. Step 5: Solve for x
    x = 9,722,433,269.90/153,158.42
  6. Step 6: Final answer
    x = 63,479.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.