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Finding the Fourth Proportional to 159,814.39, 239,659.29 and 59,920.12

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Solution

The fourth proportional to 159,814.39, 239,659.29 and 59,920.12 is: 89,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.39 : 239,659.29 = 59,920.12 : x
  2. Step 2: Convert to fraction form
    159,814.39/239,659.29 = 59,920.12/x
  3. Step 3: Cross multiply
    159,814.39x = 239,659.29 × 59,920.12
  4. Step 4: Simplify right side
    159,814.39x = 14,360,413,415.91
  5. Step 5: Solve for x
    x = 14,360,413,415.91/159,814.39
  6. Step 6: Final answer
    x = 89,856.82

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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.