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Finding the Fourth Proportional to 159,935.80, 239,442.90 and 97,727.80

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Solution

The fourth proportional to 159,935.80, 239,442.90 and 97,727.80 is: 146,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,935.80 : 239,442.90 = 97,727.80 : x
  2. Step 2: Convert to fraction form
    159,935.80/239,442.90 = 97,727.80/x
  3. Step 3: Cross multiply
    159,935.80x = 239,442.90 × 97,727.80
  4. Step 4: Simplify right side
    159,935.80x = 23,400,227,842.62
  5. Step 5: Solve for x
    x = 23,400,227,842.62/159,935.80
  6. Step 6: Final answer
    x = 146,310.13

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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.