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Finding the Fourth Proportional to 68,233.20, 102,349.80 and 48,404.40

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Solution

The fourth proportional to 68,233.20, 102,349.80 and 48,404.40 is: 72,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,233.20 : 102,349.80 = 48,404.40 : x
  2. Step 2: Convert to fraction form
    68,233.20/102,349.80 = 48,404.40/x
  3. Step 3: Cross multiply
    68,233.20x = 102,349.80 × 48,404.40
  4. Step 4: Simplify right side
    68,233.20x = 4,954,180,659.12
  5. Step 5: Solve for x
    x = 4,954,180,659.12/68,233.20
  6. Step 6: Final answer
    x = 72,606.60

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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.