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Finding the Fourth Proportional to 141,010.94, 211,411.21 and 84,837.89

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Solution

The fourth proportional to 141,010.94, 211,411.21 and 84,837.89 is: 127,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,010.94 : 211,411.21 = 84,837.89 : x
  2. Step 2: Convert to fraction form
    141,010.94/211,411.21 = 84,837.89/x
  3. Step 3: Cross multiply
    141,010.94x = 211,411.21 × 84,837.89
  4. Step 4: Simplify right side
    141,010.94x = 17,935,680,978.75
  5. Step 5: Solve for x
    x = 17,935,680,978.75/141,010.94
  6. Step 6: Final answer
    x = 127,193.54

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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.