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Finding the Fourth Proportional to 68,373.60, 102,560.40 and 62,671.20

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Solution

The fourth proportional to 68,373.60, 102,560.40 and 62,671.20 is: 94,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.60 : 102,560.40 = 62,671.20 : x
  2. Step 2: Convert to fraction form
    68,373.60/102,560.40 = 62,671.20/x
  3. Step 3: Cross multiply
    68,373.60x = 102,560.40 × 62,671.20
  4. Step 4: Simplify right side
    68,373.60x = 6,427,583,340.48
  5. Step 5: Solve for x
    x = 6,427,583,340.48/68,373.60
  6. Step 6: Final answer
    x = 94,006.80

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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.