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Finding the Fourth Proportional to 154,759.68, 232,124.40 and 49,550.40

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Solution

The fourth proportional to 154,759.68, 232,124.40 and 49,550.40 is: 74,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,759.68 : 232,124.40 = 49,550.40 : x
  2. Step 2: Convert to fraction form
    154,759.68/232,124.40 = 49,550.40/x
  3. Step 3: Cross multiply
    154,759.68x = 232,124.40 × 49,550.40
  4. Step 4: Simplify right side
    154,759.68x = 11,501,856,869.76
  5. Step 5: Solve for x
    x = 11,501,856,869.76/154,759.68
  6. Step 6: Final answer
    x = 74,320.76

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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.