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Finding the Fourth Proportional to 88,837.39, 133,148.41 and 65,245.13

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Solution

The fourth proportional to 88,837.39, 133,148.41 and 65,245.13 is: 97,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,837.39 : 133,148.41 = 65,245.13 : x
  2. Step 2: Convert to fraction form
    88,837.39/133,148.41 = 65,245.13/x
  3. Step 3: Cross multiply
    88,837.39x = 133,148.41 × 65,245.13
  4. Step 4: Simplify right side
    88,837.39x = 8,687,284,990.19
  5. Step 5: Solve for x
    x = 8,687,284,990.19/88,837.39
  6. Step 6: Final answer
    x = 97,788.61

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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.