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Finding the Fourth Proportional to 79,654.62, 109,925.56 and 43,846.86

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Solution

The fourth proportional to 79,654.62, 109,925.56 and 43,846.86 is: 60,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654.62 : 109,925.56 = 43,846.86 : x
  2. Step 2: Convert to fraction form
    79,654.62/109,925.56 = 43,846.86/x
  3. Step 3: Cross multiply
    79,654.62x = 109,925.56 × 43,846.86
  4. Step 4: Simplify right side
    79,654.62x = 4,819,890,639.74
  5. Step 5: Solve for x
    x = 4,819,890,639.74/79,654.62
  6. Step 6: Final answer
    x = 60,509.87

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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.