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Finding the Fourth Proportional to 75,602.65, 104,324.88 and 43,773.70

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Solution

The fourth proportional to 75,602.65, 104,324.88 and 43,773.70 is: 60,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,602.65 : 104,324.88 = 43,773.70 : x
  2. Step 2: Convert to fraction form
    75,602.65/104,324.88 = 43,773.70/x
  3. Step 3: Cross multiply
    75,602.65x = 104,324.88 × 43,773.70
  4. Step 4: Simplify right side
    75,602.65x = 4,566,685,999.66
  5. Step 5: Solve for x
    x = 4,566,685,999.66/75,602.65
  6. Step 6: Final answer
    x = 60,403.78

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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.