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Finding the Fourth Proportional to 141,073.83, 211,642.97 and 61,125.08

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Solution

The fourth proportional to 141,073.83, 211,642.97 and 61,125.08 is: 91,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,073.83 : 211,642.97 = 61,125.08 : x
  2. Step 2: Convert to fraction form
    141,073.83/211,642.97 = 61,125.08/x
  3. Step 3: Cross multiply
    141,073.83x = 211,642.97 × 61,125.08
  4. Step 4: Simplify right side
    141,073.83x = 12,936,692,108.85
  5. Step 5: Solve for x
    x = 12,936,692,108.85/141,073.83
  6. Step 6: Final answer
    x = 91,701.57

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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.