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Finding the Fourth Proportional to 159,115.49, 238,680.71 and 52,508.76

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Solution

The fourth proportional to 159,115.49, 238,680.71 and 52,508.76 is: 78,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,115.49 : 238,680.71 = 52,508.76 : x
  2. Step 2: Convert to fraction form
    159,115.49/238,680.71 = 52,508.76/x
  3. Step 3: Cross multiply
    159,115.49x = 238,680.71 × 52,508.76
  4. Step 4: Simplify right side
    159,115.49x = 12,532,828,118.02
  5. Step 5: Solve for x
    x = 12,532,828,118.02/159,115.49
  6. Step 6: Final answer
    x = 78,765.61

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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.