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Finding the Fourth Proportional to 88,187.21, 132,360.41 and 59,655.16

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Solution

The fourth proportional to 88,187.21, 132,360.41 and 59,655.16 is: 89,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,187.21 : 132,360.41 = 59,655.16 : x
  2. Step 2: Convert to fraction form
    88,187.21/132,360.41 = 59,655.16/x
  3. Step 3: Cross multiply
    88,187.21x = 132,360.41 × 59,655.16
  4. Step 4: Simplify right side
    88,187.21x = 7,895,981,436.22
  5. Step 5: Solve for x
    x = 7,895,981,436.22/88,187.21
  6. Step 6: Final answer
    x = 89,536.58

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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.