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Finding the Fourth Proportional to 178,648.71, 267,624.75 and 99,524.67

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Solution

The fourth proportional to 178,648.71, 267,624.75 and 99,524.67 is: 149,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,648.71 : 267,624.75 = 99,524.67 : x
  2. Step 2: Convert to fraction form
    178,648.71/267,624.75 = 99,524.67/x
  3. Step 3: Cross multiply
    178,648.71x = 267,624.75 × 99,524.67
  4. Step 4: Simplify right side
    178,648.71x = 26,635,264,927.58
  5. Step 5: Solve for x
    x = 26,635,264,927.58/178,648.71
  6. Step 6: Final answer
    x = 149,092.96

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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.