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Finding the Fourth Proportional to 89,432.69, 133,967.89 and 41,332.97

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Solution

The fourth proportional to 89,432.69, 133,967.89 and 41,332.97 is: 61,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.69 : 133,967.89 = 41,332.97 : x
  2. Step 2: Convert to fraction form
    89,432.69/133,967.89 = 41,332.97/x
  3. Step 3: Cross multiply
    89,432.69x = 133,967.89 × 41,332.97
  4. Step 4: Simplify right side
    89,432.69x = 5,537,290,005.16
  5. Step 5: Solve for x
    x = 5,537,290,005.16/89,432.69
  6. Step 6: Final answer
    x = 61,915.73

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1.5x scale

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.