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Finding the Fourth Proportional to 137,960.79, 206,897.45 and 59,053.83

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Solution

The fourth proportional to 137,960.79, 206,897.45 and 59,053.83 is: 88,562.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,960.79 : 206,897.45 = 59,053.83 : x
  2. Step 2: Convert to fraction form
    137,960.79/206,897.45 = 59,053.83/x
  3. Step 3: Cross multiply
    137,960.79x = 206,897.45 × 59,053.83
  4. Step 4: Simplify right side
    137,960.79x = 12,218,086,544.46
  5. Step 5: Solve for x
    x = 12,218,086,544.46/137,960.79
  6. Step 6: Final answer
    x = 88,562.02

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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.