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Finding the Fourth Proportional to 88,114.60, 132,366.30 and 84,809.80

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Solution

The fourth proportional to 88,114.60, 132,366.30 and 84,809.80 is: 127,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.60 : 132,366.30 = 84,809.80 : x
  2. Step 2: Convert to fraction form
    88,114.60/132,366.30 = 84,809.80/x
  3. Step 3: Cross multiply
    88,114.60x = 132,366.30 × 84,809.80
  4. Step 4: Simplify right side
    88,114.60x = 11,225,959,429.74
  5. Step 5: Solve for x
    x = 11,225,959,429.74/88,114.60
  6. Step 6: Final answer
    x = 127,401.81

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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.