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Finding the Fourth Proportional to 159,870.20, 239,805.30 and 153,044.60

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Solution

The fourth proportional to 159,870.20, 239,805.30 and 153,044.60 is: 229,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,870.20 : 239,805.30 = 153,044.60 : x
  2. Step 2: Convert to fraction form
    159,870.20/239,805.30 = 153,044.60/x
  3. Step 3: Cross multiply
    159,870.20x = 239,805.30 × 153,044.60
  4. Step 4: Simplify right side
    159,870.20x = 36,700,906,216.38
  5. Step 5: Solve for x
    x = 36,700,906,216.38/159,870.20
  6. Step 6: Final answer
    x = 229,566.90

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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.