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Finding the Fourth Proportional to 79,031.18, 109,059 and 43,214.24

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Solution

The fourth proportional to 79,031.18, 109,059 and 43,214.24 is: 59,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,031.18 : 109,059 = 43,214.24 : x
  2. Step 2: Convert to fraction form
    79,031.18/109,059 = 43,214.24/x
  3. Step 3: Cross multiply
    79,031.18x = 109,059 × 43,214.24
  4. Step 4: Simplify right side
    79,031.18x = 4,712,901,800.16
  5. Step 5: Solve for x
    x = 4,712,901,800.16/79,031.18
  6. Step 6: Final answer
    x = 59,633.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.