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Finding the Fourth Proportional to 267,312.87, 368,891.75 and 146,458.73

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Solution

The fourth proportional to 267,312.87, 368,891.75 and 146,458.73 is: 202,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,312.87 : 368,891.75 = 146,458.73 : x
  2. Step 2: Convert to fraction form
    267,312.87/368,891.75 = 146,458.73/x
  3. Step 3: Cross multiply
    267,312.87x = 368,891.75 × 146,458.73
  4. Step 4: Simplify right side
    267,312.87x = 54,027,418,500.85
  5. Step 5: Solve for x
    x = 54,027,418,500.85/267,312.87
  6. Step 6: Final answer
    x = 202,113.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.