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Finding the Fourth Proportional to 375,283.62, 562,920.39 and 90,976.62

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Solution

The fourth proportional to 375,283.62, 562,920.39 and 90,976.62 is: 136,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,283.62 : 562,920.39 = 90,976.62 : x
  2. Step 2: Convert to fraction form
    375,283.62/562,920.39 = 90,976.62/x
  3. Step 3: Cross multiply
    375,283.62x = 562,920.39 × 90,976.62
  4. Step 4: Simplify right side
    375,283.62x = 51,212,595,363.70
  5. Step 5: Solve for x
    x = 51,212,595,363.70/375,283.62
  6. Step 6: Final answer
    x = 136,463.71

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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.