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Finding the Fourth Proportional to 169,073.76, 233,340.06 and 107,821.96

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Solution

The fourth proportional to 169,073.76, 233,340.06 and 107,821.96 is: 148,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,073.76 : 233,340.06 = 107,821.96 : x
  2. Step 2: Convert to fraction form
    169,073.76/233,340.06 = 107,821.96/x
  3. Step 3: Cross multiply
    169,073.76x = 233,340.06 × 107,821.96
  4. Step 4: Simplify right side
    169,073.76x = 25,159,181,830.20
  5. Step 5: Solve for x
    x = 25,159,181,830.20/169,073.76
  6. Step 6: Final answer
    x = 148,805.95

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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.