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Finding the Fourth Proportional to 241,431.65, 362,145.68 and 72,951.65

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Solution

The fourth proportional to 241,431.65, 362,145.68 and 72,951.65 is: 109,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,431.65 : 362,145.68 = 72,951.65 : x
  2. Step 2: Convert to fraction form
    241,431.65/362,145.68 = 72,951.65/x
  3. Step 3: Cross multiply
    241,431.65x = 362,145.68 × 72,951.65
  4. Step 4: Simplify right side
    241,431.65x = 26,419,124,531.61
  5. Step 5: Solve for x
    x = 26,419,124,531.61/241,431.65
  6. Step 6: Final answer
    x = 109,426.93

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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.