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Finding the Fourth Proportional to 60,820.60, 91,230.90 and 44,102.20

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Solution

The fourth proportional to 60,820.60, 91,230.90 and 44,102.20 is: 66,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,820.60 : 91,230.90 = 44,102.20 : x
  2. Step 2: Convert to fraction form
    60,820.60/91,230.90 = 44,102.20/x
  3. Step 3: Cross multiply
    60,820.60x = 91,230.90 × 44,102.20
  4. Step 4: Simplify right side
    60,820.60x = 4,023,483,397.98
  5. Step 5: Solve for x
    x = 4,023,483,397.98/60,820.60
  6. Step 6: Final answer
    x = 66,153.30

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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.