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Finding the Fourth Proportional to 141,398.91, 212,100.05 and 36,215.07

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Solution

The fourth proportional to 141,398.91, 212,100.05 and 36,215.07 is: 54,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,398.91 : 212,100.05 = 36,215.07 : x
  2. Step 2: Convert to fraction form
    141,398.91/212,100.05 = 36,215.07/x
  3. Step 3: Cross multiply
    141,398.91x = 212,100.05 × 36,215.07
  4. Step 4: Simplify right side
    141,398.91x = 7,681,217,976.68
  5. Step 5: Solve for x
    x = 7,681,217,976.68/141,398.91
  6. Step 6: Final answer
    x = 54,323.04

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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.