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Finding the Fourth Proportional to 88,645.80, 133,048.68 and 60,113.64

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Solution

The fourth proportional to 88,645.80, 133,048.68 and 60,113.64 is: 90,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,645.80 : 133,048.68 = 60,113.64 : x
  2. Step 2: Convert to fraction form
    88,645.80/133,048.68 = 60,113.64/x
  3. Step 3: Cross multiply
    88,645.80x = 133,048.68 × 60,113.64
  4. Step 4: Simplify right side
    88,645.80x = 7,998,040,452.00
  5. Step 5: Solve for x
    x = 7,998,040,452.00/88,645.80
  6. Step 6: Final answer
    x = 90,224.70

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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.