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Finding the Fourth Proportional to 75,502.80, 104,204.03 and 43,673.72

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Solution

The fourth proportional to 75,502.80, 104,204.03 and 43,673.72 is: 60,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.80 : 104,204.03 = 43,673.72 : x
  2. Step 2: Convert to fraction form
    75,502.80/104,204.03 = 43,673.72/x
  3. Step 3: Cross multiply
    75,502.80x = 104,204.03 × 43,673.72
  4. Step 4: Simplify right side
    75,502.80x = 4,550,976,889.70
  5. Step 5: Solve for x
    x = 4,550,976,889.70/75,502.80
  6. Step 6: Final answer
    x = 60,275.60

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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.