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Finding the Fourth Proportional to 178,406.43, 267,524.83 and 103,549.51

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Solution

The fourth proportional to 178,406.43, 267,524.83 and 103,549.51 is: 155,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,406.43 : 267,524.83 = 103,549.51 : x
  2. Step 2: Convert to fraction form
    178,406.43/267,524.83 = 103,549.51/x
  3. Step 3: Cross multiply
    178,406.43x = 267,524.83 × 103,549.51
  4. Step 4: Simplify right side
    178,406.43x = 27,702,065,059.33
  5. Step 5: Solve for x
    x = 27,702,065,059.33/178,406.43
  6. Step 6: Final answer
    x = 155,275.04

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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.