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Finding the Fourth Proportional to 79,976.52, 119,950.14 and 35,565.84

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Solution

The fourth proportional to 79,976.52, 119,950.14 and 35,565.84 is: 53,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,976.52 : 119,950.14 = 35,565.84 : x
  2. Step 2: Convert to fraction form
    79,976.52/119,950.14 = 35,565.84/x
  3. Step 3: Cross multiply
    79,976.52x = 119,950.14 × 35,565.84
  4. Step 4: Simplify right side
    79,976.52x = 4,266,127,487.22
  5. Step 5: Solve for x
    x = 4,266,127,487.22/79,976.52
  6. Step 6: Final answer
    x = 53,342.25

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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.