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Finding the Fourth Proportional to 159,355.53, 239,033.31 and 52,710.87

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Solution

The fourth proportional to 159,355.53, 239,033.31 and 52,710.87 is: 79,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,355.53 : 239,033.31 = 52,710.87 : x
  2. Step 2: Convert to fraction form
    159,355.53/239,033.31 = 52,710.87/x
  3. Step 3: Cross multiply
    159,355.53x = 239,033.31 × 52,710.87
  4. Step 4: Simplify right side
    159,355.53x = 12,599,653,729.08
  5. Step 5: Solve for x
    x = 12,599,653,729.08/159,355.53
  6. Step 6: Final answer
    x = 79,066.31

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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.