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Finding the Fourth Proportional to 115,960.60, 173,552.10 and 101,963.80

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Solution

The fourth proportional to 115,960.60, 173,552.10 and 101,963.80 is: 152,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,960.60 : 173,552.10 = 101,963.80 : x
  2. Step 2: Convert to fraction form
    115,960.60/173,552.10 = 101,963.80/x
  3. Step 3: Cross multiply
    115,960.60x = 173,552.10 × 101,963.80
  4. Step 4: Simplify right side
    115,960.60x = 17,696,031,613.98
  5. Step 5: Solve for x
    x = 17,696,031,613.98/115,960.60
  6. Step 6: Final answer
    x = 152,603.83

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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.