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Finding the Fourth Proportional to 83,670.71, 125,192.37 and 49,812.89

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Solution

The fourth proportional to 83,670.71, 125,192.37 and 49,812.89 is: 74,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.71 : 125,192.37 = 49,812.89 : x
  2. Step 2: Convert to fraction form
    83,670.71/125,192.37 = 49,812.89/x
  3. Step 3: Cross multiply
    83,670.71x = 125,192.37 × 49,812.89
  4. Step 4: Simplify right side
    83,670.71x = 6,236,193,755.65
  5. Step 5: Solve for x
    x = 6,236,193,755.65/83,670.71
  6. Step 6: Final answer
    x = 74,532.58

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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.