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Finding the Fourth Proportional to 89,752.96, 123,824.64 and 53,951.68

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Solution

The fourth proportional to 89,752.96, 123,824.64 and 53,951.68 is: 74,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,752.96 : 123,824.64 = 53,951.68 : x
  2. Step 2: Convert to fraction form
    89,752.96/123,824.64 = 53,951.68/x
  3. Step 3: Cross multiply
    89,752.96x = 123,824.64 × 53,951.68
  4. Step 4: Simplify right side
    89,752.96x = 6,680,547,353.40
  5. Step 5: Solve for x
    x = 6,680,547,353.40/89,752.96
  6. Step 6: Final answer
    x = 74,432.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.