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Finding the Fourth Proportional to 250,252.69, 375,300.45 and 81,734.62

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Solution

The fourth proportional to 250,252.69, 375,300.45 and 81,734.62 is: 122,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,252.69 : 375,300.45 = 81,734.62 : x
  2. Step 2: Convert to fraction form
    250,252.69/375,300.45 = 81,734.62/x
  3. Step 3: Cross multiply
    250,252.69x = 375,300.45 × 81,734.62
  4. Step 4: Simplify right side
    250,252.69x = 30,675,039,666.58
  5. Step 5: Solve for x
    x = 30,675,039,666.58/250,252.69
  6. Step 6: Final answer
    x = 122,576.26

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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.