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Finding the Fourth Proportional to 267,153.76, 368,672.18 and 147,921.76

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Solution

The fourth proportional to 267,153.76, 368,672.18 and 147,921.76 is: 204,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,153.76 : 368,672.18 = 147,921.76 : x
  2. Step 2: Convert to fraction form
    267,153.76/368,672.18 = 147,921.76/x
  3. Step 3: Cross multiply
    267,153.76x = 368,672.18 × 147,921.76
  4. Step 4: Simplify right side
    267,153.76x = 54,534,637,728.64
  5. Step 5: Solve for x
    x = 54,534,637,728.64/267,153.76
  6. Step 6: Final answer
    x = 204,132.02

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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.