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Finding the Fourth Proportional to 88,641.96, 132,987.96 and 36,089.16

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Solution

The fourth proportional to 88,641.96, 132,987.96 and 36,089.16 is: 54,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,641.96 : 132,987.96 = 36,089.16 : x
  2. Step 2: Convert to fraction form
    88,641.96/132,987.96 = 36,089.16/x
  3. Step 3: Cross multiply
    88,641.96x = 132,987.96 × 36,089.16
  4. Step 4: Simplify right side
    88,641.96x = 4,799,423,766.51
  5. Step 5: Solve for x
    x = 4,799,423,766.51/88,641.96
  6. Step 6: Final answer
    x = 54,143.93

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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.