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Finding the Fourth Proportional to 97,613.60, 146,593.20 and 75,480.80

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Solution

The fourth proportional to 97,613.60, 146,593.20 and 75,480.80 is: 113,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,613.60 : 146,593.20 = 75,480.80 : x
  2. Step 2: Convert to fraction form
    97,613.60/146,593.20 = 75,480.80/x
  3. Step 3: Cross multiply
    97,613.60x = 146,593.20 × 75,480.80
  4. Step 4: Simplify right side
    97,613.60x = 11,064,972,010.56
  5. Step 5: Solve for x
    x = 11,064,972,010.56/97,613.60
  6. Step 6: Final answer
    x = 113,354.82

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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.