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Finding the Fourth Proportional to 107,737.80, 148,696.61 and 62,443.66

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Solution

The fourth proportional to 107,737.80, 148,696.61 and 62,443.66 is: 86,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,737.80 : 148,696.61 = 62,443.66 : x
  2. Step 2: Convert to fraction form
    107,737.80/148,696.61 = 62,443.66/x
  3. Step 3: Cross multiply
    107,737.80x = 148,696.61 × 62,443.66
  4. Step 4: Simplify right side
    107,737.80x = 9,285,160,504.08
  5. Step 5: Solve for x
    x = 9,285,160,504.08/107,737.80
  6. Step 6: Final answer
    x = 86,182.94

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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.