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Finding the Fourth Proportional to 60,236.40, 90,354.60 and 29,132.40

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Solution

The fourth proportional to 60,236.40, 90,354.60 and 29,132.40 is: 43,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,236.40 : 90,354.60 = 29,132.40 : x
  2. Step 2: Convert to fraction form
    60,236.40/90,354.60 = 29,132.40/x
  3. Step 3: Cross multiply
    60,236.40x = 90,354.60 × 29,132.40
  4. Step 4: Simplify right side
    60,236.40x = 2,632,246,349.04
  5. Step 5: Solve for x
    x = 2,632,246,349.04/60,236.40
  6. Step 6: Final answer
    x = 43,698.60

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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.