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Finding the Fourth Proportional to 283,956.12, 425,934.36 and 159,384.60

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Solution

The fourth proportional to 283,956.12, 425,934.36 and 159,384.60 is: 239,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,956.12 : 425,934.36 = 159,384.60 : x
  2. Step 2: Convert to fraction form
    283,956.12/425,934.36 = 159,384.60/x
  3. Step 3: Cross multiply
    283,956.12x = 425,934.36 × 159,384.60
  4. Step 4: Simplify right side
    283,956.12x = 67,887,377,594.86
  5. Step 5: Solve for x
    x = 67,887,377,594.86/283,956.12
  6. Step 6: Final answer
    x = 239,077.00

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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.