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Finding the Fourth Proportional to 88,028.88, 132,041.88 and 21,469.08

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Solution

The fourth proportional to 88,028.88, 132,041.88 and 21,469.08 is: 32,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.88 : 132,041.88 = 21,469.08 : x
  2. Step 2: Convert to fraction form
    88,028.88/132,041.88 = 21,469.08/x
  3. Step 3: Cross multiply
    88,028.88x = 132,041.88 × 21,469.08
  4. Step 4: Simplify right side
    88,028.88x = 2,834,817,685.07
  5. Step 5: Solve for x
    x = 2,834,817,685.07/88,028.88
  6. Step 6: Final answer
    x = 32,203.27

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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.