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Finding the Fourth Proportional to 109,964.80, 164,925.60 and 36,092.80

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Solution

The fourth proportional to 109,964.80, 164,925.60 and 36,092.80 is: 54,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,964.80 : 164,925.60 = 36,092.80 : x
  2. Step 2: Convert to fraction form
    109,964.80/164,925.60 = 36,092.80/x
  3. Step 3: Cross multiply
    109,964.80x = 164,925.60 × 36,092.80
  4. Step 4: Simplify right side
    109,964.80x = 5,952,626,695.68
  5. Step 5: Solve for x
    x = 5,952,626,695.68/109,964.80
  6. Step 6: Final answer
    x = 54,132.11

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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.