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Finding the Fourth Proportional to 88,460.40, 132,690.60 and 60,466.80

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Solution

The fourth proportional to 88,460.40, 132,690.60 and 60,466.80 is: 90,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,460.40 : 132,690.60 = 60,466.80 : x
  2. Step 2: Convert to fraction form
    88,460.40/132,690.60 = 60,466.80/x
  3. Step 3: Cross multiply
    88,460.40x = 132,690.60 × 60,466.80
  4. Step 4: Simplify right side
    88,460.40x = 8,023,375,972.08
  5. Step 5: Solve for x
    x = 8,023,375,972.08/88,460.40
  6. Step 6: Final answer
    x = 90,700.20

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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.