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Finding the Fourth Proportional to 120,962.70, 181,444.05 and 36,722.70

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Solution

The fourth proportional to 120,962.70, 181,444.05 and 36,722.70 is: 55,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,962.70 : 181,444.05 = 36,722.70 : x
  2. Step 2: Convert to fraction form
    120,962.70/181,444.05 = 36,722.70/x
  3. Step 3: Cross multiply
    120,962.70x = 181,444.05 × 36,722.70
  4. Step 4: Simplify right side
    120,962.70x = 6,663,115,414.94
  5. Step 5: Solve for x
    x = 6,663,115,414.94/120,962.70
  6. Step 6: Final answer
    x = 55,084.05

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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.