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Finding the Fourth Proportional to 178,642.51, 267,793.18 and 66,292.67

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Solution

The fourth proportional to 178,642.51, 267,793.18 and 66,292.67 is: 99,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,642.51 : 267,793.18 = 66,292.67 : x
  2. Step 2: Convert to fraction form
    178,642.51/267,793.18 = 66,292.67/x
  3. Step 3: Cross multiply
    178,642.51x = 267,793.18 × 66,292.67
  4. Step 4: Simplify right side
    178,642.51x = 17,752,724,909.99
  5. Step 5: Solve for x
    x = 17,752,724,909.99/178,642.51
  6. Step 6: Final answer
    x = 99,375.70

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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.