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Finding the Fourth Proportional to 97,486.40, 146,229.60 and 88,446.80

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Solution

The fourth proportional to 97,486.40, 146,229.60 and 88,446.80 is: 132,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486.40 : 146,229.60 = 88,446.80 : x
  2. Step 2: Convert to fraction form
    97,486.40/146,229.60 = 88,446.80/x
  3. Step 3: Cross multiply
    97,486.40x = 146,229.60 × 88,446.80
  4. Step 4: Simplify right side
    97,486.40x = 12,933,540,185.28
  5. Step 5: Solve for x
    x = 12,933,540,185.28/97,486.40
  6. Step 6: Final answer
    x = 132,670.20

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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.