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Finding the Fourth Proportional to 141,083.91, 211,501.29 and 107,951.87

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Solution

The fourth proportional to 141,083.91, 211,501.29 and 107,951.87 is: 161,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,083.91 : 211,501.29 = 107,951.87 : x
  2. Step 2: Convert to fraction form
    141,083.91/211,501.29 = 107,951.87/x
  3. Step 3: Cross multiply
    141,083.91x = 211,501.29 × 107,951.87
  4. Step 4: Simplify right side
    141,083.91x = 22,831,960,696.49
  5. Step 5: Solve for x
    x = 22,831,960,696.49/141,083.91
  6. Step 6: Final answer
    x = 161,832.49

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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.