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Finding the Fourth Proportional to 240,194.57, 360,278.79 and 121,862.83

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Solution

The fourth proportional to 240,194.57, 360,278.79 and 121,862.83 is: 182,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,194.57 : 360,278.79 = 121,862.83 : x
  2. Step 2: Convert to fraction form
    240,194.57/360,278.79 = 121,862.83/x
  3. Step 3: Cross multiply
    240,194.57x = 360,278.79 × 121,862.83
  4. Step 4: Simplify right side
    240,194.57x = 43,904,592,256.22
  5. Step 5: Solve for x
    x = 43,904,592,256.22/240,194.57
  6. Step 6: Final answer
    x = 182,787.62

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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.