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Finding the Fourth Proportional to 159,716.76, 239,559.20 and 64,952.53

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Solution

The fourth proportional to 159,716.76, 239,559.20 and 64,952.53 is: 97,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.76 : 239,559.20 = 64,952.53 : x
  2. Step 2: Convert to fraction form
    159,716.76/239,559.20 = 64,952.53/x
  3. Step 3: Cross multiply
    159,716.76x = 239,559.20 × 64,952.53
  4. Step 4: Simplify right side
    159,716.76x = 15,559,976,609.53
  5. Step 5: Solve for x
    x = 15,559,976,609.53/159,716.76
  6. Step 6: Final answer
    x = 97,422.31

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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.