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Finding the Fourth Proportional to 153,405.73, 230,124.30 and 58,715.47

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Solution

The fourth proportional to 153,405.73, 230,124.30 and 58,715.47 is: 88,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,405.73 : 230,124.30 = 58,715.47 : x
  2. Step 2: Convert to fraction form
    153,405.73/230,124.30 = 58,715.47/x
  3. Step 3: Cross multiply
    153,405.73x = 230,124.30 × 58,715.47
  4. Step 4: Simplify right side
    153,405.73x = 13,511,856,432.92
  5. Step 5: Solve for x
    x = 13,511,856,432.92/153,405.73
  6. Step 6: Final answer
    x = 88,079.22

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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.