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Finding the Fourth Proportional to 162,751.88, 224,601.20 and 92,899.76

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Solution

The fourth proportional to 162,751.88, 224,601.20 and 92,899.76 is: 128,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,751.88 : 224,601.20 = 92,899.76 : x
  2. Step 2: Convert to fraction form
    162,751.88/224,601.20 = 92,899.76/x
  3. Step 3: Cross multiply
    162,751.88x = 224,601.20 × 92,899.76
  4. Step 4: Simplify right side
    162,751.88x = 20,865,397,575.71
  5. Step 5: Solve for x
    x = 20,865,397,575.71/162,751.88
  6. Step 6: Final answer
    x = 128,203.73

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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.