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Finding the Fourth Proportional to 107,957.62, 148,974.78 and 59,560.17

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Solution

The fourth proportional to 107,957.62, 148,974.78 and 59,560.17 is: 82,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.62 : 148,974.78 = 59,560.17 : x
  2. Step 2: Convert to fraction form
    107,957.62/148,974.78 = 59,560.17/x
  3. Step 3: Cross multiply
    107,957.62x = 148,974.78 × 59,560.17
  4. Step 4: Simplify right side
    107,957.62x = 8,872,963,222.51
  5. Step 5: Solve for x
    x = 8,872,963,222.51/107,957.62
  6. Step 6: Final answer
    x = 82,189.32

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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.