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Finding the Fourth Proportional to 248,392.14, 372,363.51 and 90,583.62

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Solution

The fourth proportional to 248,392.14, 372,363.51 and 90,583.62 is: 135,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,392.14 : 372,363.51 = 90,583.62 : x
  2. Step 2: Convert to fraction form
    248,392.14/372,363.51 = 90,583.62/x
  3. Step 3: Cross multiply
    248,392.14x = 372,363.51 × 90,583.62
  4. Step 4: Simplify right side
    248,392.14x = 33,730,034,691.71
  5. Step 5: Solve for x
    x = 33,730,034,691.71/248,392.14
  6. Step 6: Final answer
    x = 135,793.49

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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.