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Finding the Fourth Proportional to 67,671.81, 101,440.76 and 32,070.56

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Solution

The fourth proportional to 67,671.81, 101,440.76 and 32,070.56 is: 48,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.81 : 101,440.76 = 32,070.56 : x
  2. Step 2: Convert to fraction form
    67,671.81/101,440.76 = 32,070.56/x
  3. Step 3: Cross multiply
    67,671.81x = 101,440.76 × 32,070.56
  4. Step 4: Simplify right side
    67,671.81x = 3,253,261,312.47
  5. Step 5: Solve for x
    x = 3,253,261,312.47/67,671.81
  6. Step 6: Final answer
    x = 48,074.10

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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.