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Finding the Fourth Proportional to 101,727.90, 152,628.71 and 61,828.52

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Solution

The fourth proportional to 101,727.90, 152,628.71 and 61,828.52 is: 92,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.90 : 152,628.71 = 61,828.52 : x
  2. Step 2: Convert to fraction form
    101,727.90/152,628.71 = 61,828.52/x
  3. Step 3: Cross multiply
    101,727.90x = 152,628.71 × 61,828.52
  4. Step 4: Simplify right side
    101,727.90x = 9,436,806,176.52
  5. Step 5: Solve for x
    x = 9,436,806,176.52/101,727.90
  6. Step 6: Final answer
    x = 92,765.17

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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.