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Finding the Fourth Proportional to 79,733.33, 119,600.16 and 74,861.79

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Solution

The fourth proportional to 79,733.33, 119,600.16 and 74,861.79 is: 112,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,733.33 : 119,600.16 = 74,861.79 : x
  2. Step 2: Convert to fraction form
    79,733.33/119,600.16 = 74,861.79/x
  3. Step 3: Cross multiply
    79,733.33x = 119,600.16 × 74,861.79
  4. Step 4: Simplify right side
    79,733.33x = 8,953,482,061.89
  5. Step 5: Solve for x
    x = 8,953,482,061.89/79,733.33
  6. Step 6: Final answer
    x = 112,292.84

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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.