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Finding the Fourth Proportional to 189,552.91, 284,234.28 and 63,148.71

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Solution

The fourth proportional to 189,552.91, 284,234.28 and 63,148.71 is: 94,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.91 : 284,234.28 = 63,148.71 : x
  2. Step 2: Convert to fraction form
    189,552.91/284,234.28 = 63,148.71/x
  3. Step 3: Cross multiply
    189,552.91x = 284,234.28 × 63,148.71
  4. Step 4: Simplify right side
    189,552.91x = 17,949,028,119.78
  5. Step 5: Solve for x
    x = 17,949,028,119.78/189,552.91
  6. Step 6: Final answer
    x = 94,691.39

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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.