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Finding the Fourth Proportional to 267,888.20, 369,689.56 and 147,027.30

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Solution

The fourth proportional to 267,888.20, 369,689.56 and 147,027.30 is: 202,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,888.20 : 369,689.56 = 147,027.30 : x
  2. Step 2: Convert to fraction form
    267,888.20/369,689.56 = 147,027.30/x
  3. Step 3: Cross multiply
    267,888.20x = 369,689.56 × 147,027.30
  4. Step 4: Simplify right side
    267,888.20x = 54,354,457,844.99
  5. Step 5: Solve for x
    x = 54,354,457,844.99/267,888.20
  6. Step 6: Final answer
    x = 202,899.78

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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.