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Finding the Fourth Proportional to 252,760.43, 348,809.14 and 139,582.91

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Solution

The fourth proportional to 252,760.43, 348,809.14 and 139,582.91 is: 192,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,760.43 : 348,809.14 = 139,582.91 : x
  2. Step 2: Convert to fraction form
    252,760.43/348,809.14 = 139,582.91/x
  3. Step 3: Cross multiply
    252,760.43x = 348,809.14 × 139,582.91
  4. Step 4: Simplify right side
    252,760.43x = 48,687,794,795.80
  5. Step 5: Solve for x
    x = 48,687,794,795.80/252,760.43
  6. Step 6: Final answer
    x = 192,624.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.