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Finding the Fourth Proportional to 107,115.22, 160,691.06 and 36,978.13

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Solution

The fourth proportional to 107,115.22, 160,691.06 and 36,978.13 is: 55,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,115.22 : 160,691.06 = 36,978.13 : x
  2. Step 2: Convert to fraction form
    107,115.22/160,691.06 = 36,978.13/x
  3. Step 3: Cross multiply
    107,115.22x = 160,691.06 × 36,978.13
  4. Step 4: Simplify right side
    107,115.22x = 5,942,054,906.52
  5. Step 5: Solve for x
    x = 5,942,054,906.52/107,115.22
  6. Step 6: Final answer
    x = 55,473.49

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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.