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Finding the Fourth Proportional to 81,483.01, 122,227.07 and 25,323.41

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Solution

The fourth proportional to 81,483.01, 122,227.07 and 25,323.41 is: 37,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,483.01 : 122,227.07 = 25,323.41 : x
  2. Step 2: Convert to fraction form
    81,483.01/122,227.07 = 25,323.41/x
  3. Step 3: Cross multiply
    81,483.01x = 122,227.07 × 25,323.41
  4. Step 4: Simplify right side
    81,483.01x = 3,095,206,206.71
  5. Step 5: Solve for x
    x = 3,095,206,206.71/81,483.01
  6. Step 6: Final answer
    x = 37,985.91

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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.