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Finding the Fourth Proportional to 88,681.96, 132,986.22 and 36,055.72

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Solution

The fourth proportional to 88,681.96, 132,986.22 and 36,055.72 is: 54,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.96 : 132,986.22 = 36,055.72 : x
  2. Step 2: Convert to fraction form
    88,681.96/132,986.22 = 36,055.72/x
  3. Step 3: Cross multiply
    88,681.96x = 132,986.22 × 36,055.72
  4. Step 4: Simplify right side
    88,681.96x = 4,794,913,912.18
  5. Step 5: Solve for x
    x = 4,794,913,912.18/88,681.96
  6. Step 6: Final answer
    x = 54,068.65

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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.