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Finding the Fourth Proportional to 159,354.52, 239,029.62 and 54,246.76

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Solution

The fourth proportional to 159,354.52, 239,029.62 and 54,246.76 is: 81,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,354.52 : 239,029.62 = 54,246.76 : x
  2. Step 2: Convert to fraction form
    159,354.52/239,029.62 = 54,246.76/x
  3. Step 3: Cross multiply
    159,354.52x = 239,029.62 × 54,246.76
  4. Step 4: Simplify right side
    159,354.52x = 12,966,582,429.03
  5. Step 5: Solve for x
    x = 12,966,582,429.03/159,354.52
  6. Step 6: Final answer
    x = 81,369.40

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1.5x scale

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.