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Finding the Fourth Proportional to 141,295.59, 194,793.05 and 112,712.21

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Solution

The fourth proportional to 141,295.59, 194,793.05 and 112,712.21 is: 155,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,295.59 : 194,793.05 = 112,712.21 : x
  2. Step 2: Convert to fraction form
    141,295.59/194,793.05 = 112,712.21/x
  3. Step 3: Cross multiply
    141,295.59x = 194,793.05 × 112,712.21
  4. Step 4: Simplify right side
    141,295.59x = 21,955,555,196.43
  5. Step 5: Solve for x
    x = 21,955,555,196.43/141,295.59
  6. Step 6: Final answer
    x = 155,387.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.