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Finding the Fourth Proportional to 178,487.68, 267,645.33 and 103,626.67

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Solution

The fourth proportional to 178,487.68, 267,645.33 and 103,626.67 is: 155,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,487.68 : 267,645.33 = 103,626.67 : x
  2. Step 2: Convert to fraction form
    178,487.68/267,645.33 = 103,626.67/x
  3. Step 3: Cross multiply
    178,487.68x = 267,645.33 × 103,626.67
  4. Step 4: Simplify right side
    178,487.68x = 27,735,194,288.95
  5. Step 5: Solve for x
    x = 27,735,194,288.95/178,487.68
  6. Step 6: Final answer
    x = 155,389.96

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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.