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Finding the Fourth Proportional to 297,042.66, 445,590.18 and 83,812.46

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Solution

The fourth proportional to 297,042.66, 445,590.18 and 83,812.46 is: 125,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,042.66 : 445,590.18 = 83,812.46 : x
  2. Step 2: Convert to fraction form
    297,042.66/445,590.18 = 83,812.46/x
  3. Step 3: Cross multiply
    297,042.66x = 445,590.18 × 83,812.46
  4. Step 4: Simplify right side
    297,042.66x = 37,346,006,909.69
  5. Step 5: Solve for x
    x = 37,346,006,909.69/297,042.66
  6. Step 6: Final answer
    x = 125,726.07

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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.