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Finding the Fourth Proportional to 162,846.72, 224,713.44 and 91,229.76

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Solution

The fourth proportional to 162,846.72, 224,713.44 and 91,229.76 is: 125,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,846.72 : 224,713.44 = 91,229.76 : x
  2. Step 2: Convert to fraction form
    162,846.72/224,713.44 = 91,229.76/x
  3. Step 3: Cross multiply
    162,846.72x = 224,713.44 × 91,229.76
  4. Step 4: Simplify right side
    162,846.72x = 20,500,553,199.97
  5. Step 5: Solve for x
    x = 20,500,553,199.97/162,846.72
  6. Step 6: Final answer
    x = 125,888.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.