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Finding the Fourth Proportional to 100,084.80, 150,148.62 and 36,905.11

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Solution

The fourth proportional to 100,084.80, 150,148.62 and 36,905.11 is: 55,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,084.80 : 150,148.62 = 36,905.11 : x
  2. Step 2: Convert to fraction form
    100,084.80/150,148.62 = 36,905.11/x
  3. Step 3: Cross multiply
    100,084.80x = 150,148.62 × 36,905.11
  4. Step 4: Simplify right side
    100,084.80x = 5,541,251,337.45
  5. Step 5: Solve for x
    x = 5,541,251,337.45/100,084.80
  6. Step 6: Final answer
    x = 55,365.56

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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.