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Finding the Fourth Proportional to 141,375.63, 195,098.58 and 77,713.82

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Solution

The fourth proportional to 141,375.63, 195,098.58 and 77,713.82 is: 107,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.63 : 195,098.58 = 77,713.82 : x
  2. Step 2: Convert to fraction form
    141,375.63/195,098.58 = 77,713.82/x
  3. Step 3: Cross multiply
    141,375.63x = 195,098.58 × 77,713.82
  4. Step 4: Simplify right side
    141,375.63x = 15,161,854,952.88
  5. Step 5: Solve for x
    x = 15,161,854,952.88/141,375.63
  6. Step 6: Final answer
    x = 107,245.18

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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.