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Finding the Fourth Proportional to 74,693, 111,999.90 and 22,095.20

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Solution

The fourth proportional to 74,693, 111,999.90 and 22,095.20 is: 33,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693 : 111,999.90 = 22,095.20 : x
  2. Step 2: Convert to fraction form
    74,693/111,999.90 = 22,095.20/x
  3. Step 3: Cross multiply
    74,693x = 111,999.90 × 22,095.20
  4. Step 4: Simplify right side
    74,693x = 2,474,660,190.48
  5. Step 5: Solve for x
    x = 2,474,660,190.48/74,693
  6. Step 6: Final answer
    x = 33,131.09

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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.