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Finding the Fourth Proportional to 109,597.27, 151,244.27 and 61,860.73

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Solution

The fourth proportional to 109,597.27, 151,244.27 and 61,860.73 is: 85,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,597.27 : 151,244.27 = 61,860.73 : x
  2. Step 2: Convert to fraction form
    109,597.27/151,244.27 = 61,860.73/x
  3. Step 3: Cross multiply
    109,597.27x = 151,244.27 × 61,860.73
  4. Step 4: Simplify right side
    109,597.27x = 9,356,080,950.52
  5. Step 5: Solve for x
    x = 9,356,080,950.52/109,597.27
  6. Step 6: Final answer
    x = 85,367.83

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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.