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Finding the Fourth Proportional to 88,637.64, 132,644.40 and 55,373.37

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Solution

The fourth proportional to 88,637.64, 132,644.40 and 55,373.37 is: 82,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,637.64 : 132,644.40 = 55,373.37 : x
  2. Step 2: Convert to fraction form
    88,637.64/132,644.40 = 55,373.37/x
  3. Step 3: Cross multiply
    88,637.64x = 132,644.40 × 55,373.37
  4. Step 4: Simplify right side
    88,637.64x = 7,344,967,439.63
  5. Step 5: Solve for x
    x = 7,344,967,439.63/88,637.64
  6. Step 6: Final answer
    x = 82,865.11

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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.