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Finding the Fourth Proportional to 159,739.32, 239,550.66 and 54,530.04

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Solution

The fourth proportional to 159,739.32, 239,550.66 and 54,530.04 is: 81,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,739.32 : 239,550.66 = 54,530.04 : x
  2. Step 2: Convert to fraction form
    159,739.32/239,550.66 = 54,530.04/x
  3. Step 3: Cross multiply
    159,739.32x = 239,550.66 × 54,530.04
  4. Step 4: Simplify right side
    159,739.32x = 13,062,707,071.83
  5. Step 5: Solve for x
    x = 13,062,707,071.83/159,739.32
  6. Step 6: Final answer
    x = 81,775.15

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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.