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Finding the Fourth Proportional to 96,562.60, 144,671.10 and 81,701.80

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Solution

The fourth proportional to 96,562.60, 144,671.10 and 81,701.80 is: 122,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,562.60 : 144,671.10 = 81,701.80 : x
  2. Step 2: Convert to fraction form
    96,562.60/144,671.10 = 81,701.80/x
  3. Step 3: Cross multiply
    96,562.60x = 144,671.10 × 81,701.80
  4. Step 4: Simplify right side
    96,562.60x = 11,819,889,277.98
  5. Step 5: Solve for x
    x = 11,819,889,277.98/96,562.60
  6. Step 6: Final answer
    x = 122,406.49

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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.