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Finding the Fourth Proportional to 89,100.92, 133,671.30 and 29,934.96

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Solution

The fourth proportional to 89,100.92, 133,671.30 and 29,934.96 is: 44,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.92 : 133,671.30 = 29,934.96 : x
  2. Step 2: Convert to fraction form
    89,100.92/133,671.30 = 29,934.96/x
  3. Step 3: Cross multiply
    89,100.92x = 133,671.30 × 29,934.96
  4. Step 4: Simplify right side
    89,100.92x = 4,001,445,018.65
  5. Step 5: Solve for x
    x = 4,001,445,018.65/89,100.92
  6. Step 6: Final answer
    x = 44,909.13

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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.