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Finding the Fourth Proportional to 75,874.47, 104,712.57 and 41,889.51

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Solution

The fourth proportional to 75,874.47, 104,712.57 and 41,889.51 is: 57,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,874.47 : 104,712.57 = 41,889.51 : x
  2. Step 2: Convert to fraction form
    75,874.47/104,712.57 = 41,889.51/x
  3. Step 3: Cross multiply
    75,874.47x = 104,712.57 × 41,889.51
  4. Step 4: Simplify right side
    75,874.47x = 4,386,358,248.14
  5. Step 5: Solve for x
    x = 4,386,358,248.14/75,874.47
  6. Step 6: Final answer
    x = 57,810.73

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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.