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Finding the Fourth Proportional to 169,015.84, 233,139.60 and 108,565.92

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Solution

The fourth proportional to 169,015.84, 233,139.60 and 108,565.92 is: 149,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,015.84 : 233,139.60 = 108,565.92 : x
  2. Step 2: Convert to fraction form
    169,015.84/233,139.60 = 108,565.92/x
  3. Step 3: Cross multiply
    169,015.84x = 233,139.60 × 108,565.92
  4. Step 4: Simplify right side
    169,015.84x = 25,311,015,162.43
  5. Step 5: Solve for x
    x = 25,311,015,162.43/169,015.84
  6. Step 6: Final answer
    x = 149,755.28

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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.