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Finding the Fourth Proportional to 77,950.38, 107,565.12 and 43,967.22

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Solution

The fourth proportional to 77,950.38, 107,565.12 and 43,967.22 is: 60,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,950.38 : 107,565.12 = 43,967.22 : x
  2. Step 2: Convert to fraction form
    77,950.38/107,565.12 = 43,967.22/x
  3. Step 3: Cross multiply
    77,950.38x = 107,565.12 × 43,967.22
  4. Step 4: Simplify right side
    77,950.38x = 4,729,339,295.37
  5. Step 5: Solve for x
    x = 4,729,339,295.37/77,950.38
  6. Step 6: Final answer
    x = 60,671.15

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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.