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Finding the Fourth Proportional to 88,643.96, 132,990.96 and 36,091.16

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Solution

The fourth proportional to 88,643.96, 132,990.96 and 36,091.16 is: 54,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.96 : 132,990.96 = 36,091.16 : x
  2. Step 2: Convert to fraction form
    88,643.96/132,990.96 = 36,091.16/x
  3. Step 3: Cross multiply
    88,643.96x = 132,990.96 × 36,091.16
  4. Step 4: Simplify right side
    88,643.96x = 4,799,798,015.91
  5. Step 5: Solve for x
    x = 4,799,798,015.91/88,643.96
  6. Step 6: Final answer
    x = 54,146.93

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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.