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Finding the Fourth Proportional to 232,570.56, 320,957.28 and 131,977.92

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Solution

The fourth proportional to 232,570.56, 320,957.28 and 131,977.92 is: 182,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,570.56 : 320,957.28 = 131,977.92 : x
  2. Step 2: Convert to fraction form
    232,570.56/320,957.28 = 131,977.92/x
  3. Step 3: Cross multiply
    232,570.56x = 320,957.28 × 131,977.92
  4. Step 4: Simplify right side
    232,570.56x = 42,359,274,223.26
  5. Step 5: Solve for x
    x = 42,359,274,223.26/232,570.56
  6. Step 6: Final answer
    x = 182,135.15

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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.