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Finding the Fourth Proportional to 112,876.62, 169,272 and 36,957.48

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Solution

The fourth proportional to 112,876.62, 169,272 and 36,957.48 is: 55,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,876.62 : 169,272 = 36,957.48 : x
  2. Step 2: Convert to fraction form
    112,876.62/169,272 = 36,957.48/x
  3. Step 3: Cross multiply
    112,876.62x = 169,272 × 36,957.48
  4. Step 4: Simplify right side
    112,876.62x = 6,255,866,554.56
  5. Step 5: Solve for x
    x = 6,255,866,554.56/112,876.62
  6. Step 6: Final answer
    x = 55,422.16

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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.