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Finding the Fourth Proportional to 79,454.67, 109,718.64 and 59,276.52

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Solution

The fourth proportional to 79,454.67, 109,718.64 and 59,276.52 is: 81,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,454.67 : 109,718.64 = 59,276.52 : x
  2. Step 2: Convert to fraction form
    79,454.67/109,718.64 = 59,276.52/x
  3. Step 3: Cross multiply
    79,454.67x = 109,718.64 × 59,276.52
  4. Step 4: Simplify right side
    79,454.67x = 6,503,739,158.33
  5. Step 5: Solve for x
    x = 6,503,739,158.33/79,454.67
  6. Step 6: Final answer
    x = 81,854.71

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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.