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Finding the Fourth Proportional to 69,199.36, 95,495.68 and 39,393.28

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Solution

The fourth proportional to 69,199.36, 95,495.68 and 39,393.28 is: 54,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.36 : 95,495.68 = 39,393.28 : x
  2. Step 2: Convert to fraction form
    69,199.36/95,495.68 = 39,393.28/x
  3. Step 3: Cross multiply
    69,199.36x = 95,495.68 × 39,393.28
  4. Step 4: Simplify right side
    69,199.36x = 3,761,888,061.03
  5. Step 5: Solve for x
    x = 3,761,888,061.03/69,199.36
  6. Step 6: Final answer
    x = 54,363.05

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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.