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Finding the Fourth Proportional to 178,208.70, 267,229.35 and 103,350.12

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Solution

The fourth proportional to 178,208.70, 267,229.35 and 103,350.12 is: 154,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,208.70 : 267,229.35 = 103,350.12 : x
  2. Step 2: Convert to fraction form
    178,208.70/267,229.35 = 103,350.12/x
  3. Step 3: Cross multiply
    178,208.70x = 267,229.35 × 103,350.12
  4. Step 4: Simplify right side
    178,208.70x = 27,618,185,390.02
  5. Step 5: Solve for x
    x = 27,618,185,390.02/178,208.70
  6. Step 6: Final answer
    x = 154,976.64

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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.