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Finding the Fourth Proportional to 79,952.91, 110,323.20 and 45,962.83

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Solution

The fourth proportional to 79,952.91, 110,323.20 and 45,962.83 is: 63,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,952.91 : 110,323.20 = 45,962.83 : x
  2. Step 2: Convert to fraction form
    79,952.91/110,323.20 = 45,962.83/x
  3. Step 3: Cross multiply
    79,952.91x = 110,323.20 × 45,962.83
  4. Step 4: Simplify right side
    79,952.91x = 5,070,766,486.66
  5. Step 5: Solve for x
    x = 5,070,766,486.66/79,952.91
  6. Step 6: Final answer
    x = 63,421.91

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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.