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Finding the Fourth Proportional to 178,155.46, 267,262.62 and 84,629.62

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Solution

The fourth proportional to 178,155.46, 267,262.62 and 84,629.62 is: 126,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,155.46 : 267,262.62 = 84,629.62 : x
  2. Step 2: Convert to fraction form
    178,155.46/267,262.62 = 84,629.62/x
  3. Step 3: Cross multiply
    178,155.46x = 267,262.62 × 84,629.62
  4. Step 4: Simplify right side
    178,155.46x = 22,618,333,970.80
  5. Step 5: Solve for x
    x = 22,618,333,970.80/178,155.46
  6. Step 6: Final answer
    x = 126,958.41

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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.