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Finding the Fourth Proportional to 162,680.76, 224,497.26 and 91,060.78

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Solution

The fourth proportional to 162,680.76, 224,497.26 and 91,060.78 is: 125,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,680.76 : 224,497.26 = 91,060.78 : x
  2. Step 2: Convert to fraction form
    162,680.76/224,497.26 = 91,060.78/x
  3. Step 3: Cross multiply
    162,680.76x = 224,497.26 × 91,060.78
  4. Step 4: Simplify right side
    162,680.76x = 20,442,895,603.46
  5. Step 5: Solve for x
    x = 20,442,895,603.46/162,680.76
  6. Step 6: Final answer
    x = 125,662.65

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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.