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Finding the Fourth Proportional to 124,324.80, 186,267.60 and 120,213.60

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Solution

The fourth proportional to 124,324.80, 186,267.60 and 120,213.60 is: 180,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,324.80 : 186,267.60 = 120,213.60 : x
  2. Step 2: Convert to fraction form
    124,324.80/186,267.60 = 120,213.60/x
  3. Step 3: Cross multiply
    124,324.80x = 186,267.60 × 120,213.60
  4. Step 4: Simplify right side
    124,324.80x = 22,391,898,759.36
  5. Step 5: Solve for x
    x = 22,391,898,759.36/124,324.80
  6. Step 6: Final answer
    x = 180,108.06

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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.