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Finding the Fourth Proportional to 88,231.13, 132,347.13 and 21,671.27

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Solution

The fourth proportional to 88,231.13, 132,347.13 and 21,671.27 is: 32,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.13 : 132,347.13 = 21,671.27 : x
  2. Step 2: Convert to fraction form
    88,231.13/132,347.13 = 21,671.27/x
  3. Step 3: Cross multiply
    88,231.13x = 132,347.13 × 21,671.27
  4. Step 4: Simplify right side
    88,231.13x = 2,868,130,387.96
  5. Step 5: Solve for x
    x = 2,868,130,387.96/88,231.13
  6. Step 6: Final answer
    x = 32,507.01

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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.