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Finding the Fourth Proportional to 61,169.31, 91,722.81 and 23,740.11

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Solution

The fourth proportional to 61,169.31, 91,722.81 and 23,740.11 is: 35,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.31 : 91,722.81 = 23,740.11 : x
  2. Step 2: Convert to fraction form
    61,169.31/91,722.81 = 23,740.11/x
  3. Step 3: Cross multiply
    61,169.31x = 91,722.81 × 23,740.11
  4. Step 4: Simplify right side
    61,169.31x = 2,177,509,598.91
  5. Step 5: Solve for x
    x = 2,177,509,598.91/61,169.31
  6. Step 6: Final answer
    x = 35,598.07

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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.