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Finding the Fourth Proportional to 107,957.53, 148,981.65 and 60,213.97

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Solution

The fourth proportional to 107,957.53, 148,981.65 and 60,213.97 is: 83,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.53 : 148,981.65 = 60,213.97 : x
  2. Step 2: Convert to fraction form
    107,957.53/148,981.65 = 60,213.97/x
  3. Step 3: Cross multiply
    107,957.53x = 148,981.65 × 60,213.97
  4. Step 4: Simplify right side
    107,957.53x = 8,970,776,603.65
  5. Step 5: Solve for x
    x = 8,970,776,603.65/107,957.53
  6. Step 6: Final answer
    x = 83,095.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.