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Finding the Fourth Proportional to 79,854.32, 110,194.88 and 45,839.18

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Solution

The fourth proportional to 79,854.32, 110,194.88 and 45,839.18 is: 63,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,854.32 : 110,194.88 = 45,839.18 : x
  2. Step 2: Convert to fraction form
    79,854.32/110,194.88 = 45,839.18/x
  3. Step 3: Cross multiply
    79,854.32x = 110,194.88 × 45,839.18
  4. Step 4: Simplify right side
    79,854.32x = 5,051,242,939.40
  5. Step 5: Solve for x
    x = 5,051,242,939.40/79,854.32
  6. Step 6: Final answer
    x = 63,255.73

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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.