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Finding the Fourth Proportional to 88,261.70, 132,392.55 and 83,077.70

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Solution

The fourth proportional to 88,261.70, 132,392.55 and 83,077.70 is: 124,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.70 : 132,392.55 = 83,077.70 : x
  2. Step 2: Convert to fraction form
    88,261.70/132,392.55 = 83,077.70/x
  3. Step 3: Cross multiply
    88,261.70x = 132,392.55 × 83,077.70
  4. Step 4: Simplify right side
    88,261.70x = 10,998,868,551.14
  5. Step 5: Solve for x
    x = 10,998,868,551.14/88,261.70
  6. Step 6: Final answer
    x = 124,616.55

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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.