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Finding the Fourth Proportional to 79,158.61, 109,241.36 and 43,352.02

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Solution

The fourth proportional to 79,158.61, 109,241.36 and 43,352.02 is: 59,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,158.61 : 109,241.36 = 43,352.02 : x
  2. Step 2: Convert to fraction form
    79,158.61/109,241.36 = 43,352.02/x
  3. Step 3: Cross multiply
    79,158.61x = 109,241.36 × 43,352.02
  4. Step 4: Simplify right side
    79,158.61x = 4,735,833,623.55
  5. Step 5: Solve for x
    x = 4,735,833,623.55/79,158.61
  6. Step 6: Final answer
    x = 59,827.14

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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.