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Finding the Fourth Proportional to 75,615.62, 104,349.92 and 41,627.52

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Solution

The fourth proportional to 75,615.62, 104,349.92 and 41,627.52 is: 57,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.62 : 104,349.92 = 41,627.52 : x
  2. Step 2: Convert to fraction form
    75,615.62/104,349.92 = 41,627.52/x
  3. Step 3: Cross multiply
    75,615.62x = 104,349.92 × 41,627.52
  4. Step 4: Simplify right side
    75,615.62x = 4,343,828,381.80
  5. Step 5: Solve for x
    x = 4,343,828,381.80/75,615.62
  6. Step 6: Final answer
    x = 57,446.18

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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.