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Finding the Fourth Proportional to 141,344.61, 195,067.13 and 84,754.77

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Solution

The fourth proportional to 141,344.61, 195,067.13 and 84,754.77 is: 116,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,344.61 : 195,067.13 = 84,754.77 : x
  2. Step 2: Convert to fraction form
    141,344.61/195,067.13 = 84,754.77/x
  3. Step 3: Cross multiply
    141,344.61x = 195,067.13 × 84,754.77
  4. Step 4: Simplify right side
    141,344.61x = 16,532,869,737.71
  5. Step 5: Solve for x
    x = 16,532,869,737.71/141,344.61
  6. Step 6: Final answer
    x = 116,968.52

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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.