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Finding the Fourth Proportional to 133,314.12, 200,044.99 and 79,874.77

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Solution

The fourth proportional to 133,314.12, 200,044.99 and 79,874.77 is: 119,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.12 : 200,044.99 = 79,874.77 : x
  2. Step 2: Convert to fraction form
    133,314.12/200,044.99 = 79,874.77/x
  3. Step 3: Cross multiply
    133,314.12x = 200,044.99 × 79,874.77
  4. Step 4: Simplify right side
    133,314.12x = 15,978,547,565.90
  5. Step 5: Solve for x
    x = 15,978,547,565.90/133,314.12
  6. Step 6: Final answer
    x = 119,856.38

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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.