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Finding the Fourth Proportional to 79,332.52, 118,999.22 and 26,742.48

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Solution

The fourth proportional to 79,332.52, 118,999.22 and 26,742.48 is: 40,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,332.52 : 118,999.22 = 26,742.48 : x
  2. Step 2: Convert to fraction form
    79,332.52/118,999.22 = 26,742.48/x
  3. Step 3: Cross multiply
    79,332.52x = 118,999.22 × 26,742.48
  4. Step 4: Simplify right side
    79,332.52x = 3,182,334,260.87
  5. Step 5: Solve for x
    x = 3,182,334,260.87/79,332.52
  6. Step 6: Final answer
    x = 40,113.87

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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.