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Finding the Fourth Proportional to 193,156.88, 266,583.82 and 107,134.88

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Solution

The fourth proportional to 193,156.88, 266,583.82 and 107,134.88 is: 147,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,156.88 : 266,583.82 = 107,134.88 : x
  2. Step 2: Convert to fraction form
    193,156.88/266,583.82 = 107,134.88/x
  3. Step 3: Cross multiply
    193,156.88x = 266,583.82 × 107,134.88
  4. Step 4: Simplify right side
    193,156.88x = 28,560,425,565.64
  5. Step 5: Solve for x
    x = 28,560,425,565.64/193,156.88
  6. Step 6: Final answer
    x = 147,861.29

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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.