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Finding the Fourth Proportional to 106,660.80, 159,760.80 and 88,228.80

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Solution

The fourth proportional to 106,660.80, 159,760.80 and 88,228.80 is: 132,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,660.80 : 159,760.80 = 88,228.80 : x
  2. Step 2: Convert to fraction form
    106,660.80/159,760.80 = 88,228.80/x
  3. Step 3: Cross multiply
    106,660.80x = 159,760.80 × 88,228.80
  4. Step 4: Simplify right side
    106,660.80x = 14,095,503,671.04
  5. Step 5: Solve for x
    x = 14,095,503,671.04/106,660.80
  6. Step 6: Final answer
    x = 132,152.62

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1.5x scale

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.