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Finding the Fourth Proportional to 101,734.89, 152,634.09 and 61,252.78

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Solution

The fourth proportional to 101,734.89, 152,634.09 and 61,252.78 is: 91,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,734.89 : 152,634.09 = 61,252.78 : x
  2. Step 2: Convert to fraction form
    101,734.89/152,634.09 = 61,252.78/x
  3. Step 3: Cross multiply
    101,734.89x = 152,634.09 × 61,252.78
  4. Step 4: Simplify right side
    101,734.89x = 9,349,262,298.00
  5. Step 5: Solve for x
    x = 9,349,262,298.00/101,734.89
  6. Step 6: Final answer
    x = 91,898.29

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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.