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Finding the Fourth Proportional to 88,996.31, 133,494.16 and 36,405.79

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Solution

The fourth proportional to 88,996.31, 133,494.16 and 36,405.79 is: 54,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,996.31 : 133,494.16 = 36,405.79 : x
  2. Step 2: Convert to fraction form
    88,996.31/133,494.16 = 36,405.79/x
  3. Step 3: Cross multiply
    88,996.31x = 133,494.16 × 36,405.79
  4. Step 4: Simplify right side
    88,996.31x = 4,859,960,355.19
  5. Step 5: Solve for x
    x = 4,859,960,355.19/88,996.31
  6. Step 6: Final answer
    x = 54,608.56

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1.5x scale

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.