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Finding the Fourth Proportional to 40,104.90, 60,157.35 and 38,160.90

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Solution

The fourth proportional to 40,104.90, 60,157.35 and 38,160.90 is: 57,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.90 : 60,157.35 = 38,160.90 : x
  2. Step 2: Convert to fraction form
    40,104.90/60,157.35 = 38,160.90/x
  3. Step 3: Cross multiply
    40,104.90x = 60,157.35 × 38,160.90
  4. Step 4: Simplify right side
    40,104.90x = 2,295,658,617.62
  5. Step 5: Solve for x
    x = 2,295,658,617.62/40,104.90
  6. Step 6: Final answer
    x = 57,241.35

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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.