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Finding the Fourth Proportional to 271,549.13, 407,359.45 and 100,747.59

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Solution

The fourth proportional to 271,549.13, 407,359.45 and 100,747.59 is: 151,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,549.13 : 407,359.45 = 100,747.59 : x
  2. Step 2: Convert to fraction form
    271,549.13/407,359.45 = 100,747.59/x
  3. Step 3: Cross multiply
    271,549.13x = 407,359.45 × 100,747.59
  4. Step 4: Simplify right side
    271,549.13x = 41,040,482,851.23
  5. Step 5: Solve for x
    x = 41,040,482,851.23/271,549.13
  6. Step 6: Final answer
    x = 151,134.65

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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.