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Finding the Fourth Proportional to 275,569.92, 413,357.10 and 75,901.32

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Solution

The fourth proportional to 275,569.92, 413,357.10 and 75,901.32 is: 113,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,569.92 : 413,357.10 = 75,901.32 : x
  2. Step 2: Convert to fraction form
    275,569.92/413,357.10 = 75,901.32/x
  3. Step 3: Cross multiply
    275,569.92x = 413,357.10 × 75,901.32
  4. Step 4: Simplify right side
    275,569.92x = 31,374,349,521.37
  5. Step 5: Solve for x
    x = 31,374,349,521.37/275,569.92
  6. Step 6: Final answer
    x = 113,852.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.