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Finding the Fourth Proportional to 79,152.61, 109,233.08 and 43,346.02

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Solution

The fourth proportional to 79,152.61, 109,233.08 and 43,346.02 is: 59,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.61 : 109,233.08 = 43,346.02 : x
  2. Step 2: Convert to fraction form
    79,152.61/109,233.08 = 43,346.02/x
  3. Step 3: Cross multiply
    79,152.61x = 109,233.08 × 43,346.02
  4. Step 4: Simplify right side
    79,152.61x = 4,734,819,270.34
  5. Step 5: Solve for x
    x = 4,734,819,270.34/79,152.61
  6. Step 6: Final answer
    x = 59,818.86

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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.