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Finding the Fourth Proportional to 141,187.86, 211,789.08 and 36,007.74

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Solution

The fourth proportional to 141,187.86, 211,789.08 and 36,007.74 is: 54,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,187.86 : 211,789.08 = 36,007.74 : x
  2. Step 2: Convert to fraction form
    141,187.86/211,789.08 = 36,007.74/x
  3. Step 3: Cross multiply
    141,187.86x = 211,789.08 × 36,007.74
  4. Step 4: Simplify right side
    141,187.86x = 7,626,046,127.48
  5. Step 5: Solve for x
    x = 7,626,046,127.48/141,187.86
  6. Step 6: Final answer
    x = 54,013.47

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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.