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Finding the Fourth Proportional to 124,552.40, 186,828.60 and 80,229.20

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Solution

The fourth proportional to 124,552.40, 186,828.60 and 80,229.20 is: 120,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.40 : 186,828.60 = 80,229.20 : x
  2. Step 2: Convert to fraction form
    124,552.40/186,828.60 = 80,229.20/x
  3. Step 3: Cross multiply
    124,552.40x = 186,828.60 × 80,229.20
  4. Step 4: Simplify right side
    124,552.40x = 14,989,109,115.12
  5. Step 5: Solve for x
    x = 14,989,109,115.12/124,552.40
  6. Step 6: Final answer
    x = 120,343.80

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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.