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Finding the Fourth Proportional to 178,109.10, 267,552.45 and 125,621.10

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Solution

The fourth proportional to 178,109.10, 267,552.45 and 125,621.10 is: 188,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,109.10 : 267,552.45 = 125,621.10 : x
  2. Step 2: Convert to fraction form
    178,109.10/267,552.45 = 125,621.10/x
  3. Step 3: Cross multiply
    178,109.10x = 267,552.45 × 125,621.10
  4. Step 4: Simplify right side
    178,109.10x = 33,610,233,076.70
  5. Step 5: Solve for x
    x = 33,610,233,076.70/178,109.10
  6. Step 6: Final answer
    x = 188,705.87

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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.