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Finding the Fourth Proportional to 178,488.68, 267,646.83 and 103,627.67

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Solution

The fourth proportional to 178,488.68, 267,646.83 and 103,627.67 is: 155,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,488.68 : 267,646.83 = 103,627.67 : x
  2. Step 2: Convert to fraction form
    178,488.68/267,646.83 = 103,627.67/x
  3. Step 3: Cross multiply
    178,488.68x = 267,646.83 × 103,627.67
  4. Step 4: Simplify right side
    178,488.68x = 27,735,617,375.79
  5. Step 5: Solve for x
    x = 27,735,617,375.79/178,488.68
  6. Step 6: Final answer
    x = 155,391.46

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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.