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Finding the Fourth Proportional to 165,332.88, 247,997.70 and 40,673.88

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Solution

The fourth proportional to 165,332.88, 247,997.70 and 40,673.88 is: 61,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,332.88 : 247,997.70 = 40,673.88 : x
  2. Step 2: Convert to fraction form
    165,332.88/247,997.70 = 40,673.88/x
  3. Step 3: Cross multiply
    165,332.88x = 247,997.70 × 40,673.88
  4. Step 4: Simplify right side
    165,332.88x = 10,087,028,690.08
  5. Step 5: Solve for x
    x = 10,087,028,690.08/165,332.88
  6. Step 6: Final answer
    x = 61,010.42

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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.