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Finding the Fourth Proportional to 124,233.60, 186,350.40 and 68,246.40

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Solution

The fourth proportional to 124,233.60, 186,350.40 and 68,246.40 is: 102,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,233.60 : 186,350.40 = 68,246.40 : x
  2. Step 2: Convert to fraction form
    124,233.60/186,350.40 = 68,246.40/x
  3. Step 3: Cross multiply
    124,233.60x = 186,350.40 × 68,246.40
  4. Step 4: Simplify right side
    124,233.60x = 12,717,743,938.56
  5. Step 5: Solve for x
    x = 12,717,743,938.56/124,233.60
  6. Step 6: Final answer
    x = 102,369.60

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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.