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Finding the Fourth Proportional to 169,802.80, 234,255.18 and 106,029.88

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Solution

The fourth proportional to 169,802.80, 234,255.18 and 106,029.88 is: 146,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,802.80 : 234,255.18 = 106,029.88 : x
  2. Step 2: Convert to fraction form
    169,802.80/234,255.18 = 106,029.88/x
  3. Step 3: Cross multiply
    169,802.80x = 234,255.18 × 106,029.88
  4. Step 4: Simplify right side
    169,802.80x = 24,838,048,624.78
  5. Step 5: Solve for x
    x = 24,838,048,624.78/169,802.80
  6. Step 6: Final answer
    x = 146,275.85

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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.