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Finding the Fourth Proportional to 141,451.68, 212,161.68 and 36,273.12

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Solution

The fourth proportional to 141,451.68, 212,161.68 and 36,273.12 is: 54,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,451.68 : 212,161.68 = 36,273.12 : x
  2. Step 2: Convert to fraction form
    141,451.68/212,161.68 = 36,273.12/x
  3. Step 3: Cross multiply
    141,451.68x = 212,161.68 × 36,273.12
  4. Step 4: Simplify right side
    141,451.68x = 7,695,766,078.04
  5. Step 5: Solve for x
    x = 7,695,766,078.04/141,451.68
  6. Step 6: Final answer
    x = 54,405.62

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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.