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Finding the Fourth Proportional to 110,220.87, 165,331.39 and 88,174.39

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Solution

The fourth proportional to 110,220.87, 165,331.39 and 88,174.39 is: 132,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,220.87 : 165,331.39 = 88,174.39 : x
  2. Step 2: Convert to fraction form
    110,220.87/165,331.39 = 88,174.39/x
  3. Step 3: Cross multiply
    110,220.87x = 165,331.39 × 88,174.39
  4. Step 4: Simplify right side
    110,220.87x = 14,577,993,827.34
  5. Step 5: Solve for x
    x = 14,577,993,827.34/110,220.87
  6. Step 6: Final answer
    x = 132,261.65

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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.