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Finding the Fourth Proportional to 88,058.40, 131,936.40 and 41,215.20

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Solution

The fourth proportional to 88,058.40, 131,936.40 and 41,215.20 is: 61,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,058.40 : 131,936.40 = 41,215.20 : x
  2. Step 2: Convert to fraction form
    88,058.40/131,936.40 = 41,215.20/x
  3. Step 3: Cross multiply
    88,058.40x = 131,936.40 × 41,215.20
  4. Step 4: Simplify right side
    88,058.40x = 5,437,785,113.28
  5. Step 5: Solve for x
    x = 5,437,785,113.28/88,058.40
  6. Step 6: Final answer
    x = 61,752.03

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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.