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Finding the Fourth Proportional to 88,863.40, 133,076.40 and 59,120.20

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Solution

The fourth proportional to 88,863.40, 133,076.40 and 59,120.20 is: 88,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,863.40 : 133,076.40 = 59,120.20 : x
  2. Step 2: Convert to fraction form
    88,863.40/133,076.40 = 59,120.20/x
  3. Step 3: Cross multiply
    88,863.40x = 133,076.40 × 59,120.20
  4. Step 4: Simplify right side
    88,863.40x = 7,867,503,383.28
  5. Step 5: Solve for x
    x = 7,867,503,383.28/88,863.40
  6. Step 6: Final answer
    x = 88,534.80

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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.