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Finding the Fourth Proportional to 61,145.44, 91,744.16 and 33,411.04

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Solution

The fourth proportional to 61,145.44, 91,744.16 and 33,411.04 is: 50,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,145.44 : 91,744.16 = 33,411.04 : x
  2. Step 2: Convert to fraction form
    61,145.44/91,744.16 = 33,411.04/x
  3. Step 3: Cross multiply
    61,145.44x = 91,744.16 × 33,411.04
  4. Step 4: Simplify right side
    61,145.44x = 3,065,267,799.53
  5. Step 5: Solve for x
    x = 3,065,267,799.53/61,145.44
  6. Step 6: Final answer
    x = 50,130.77

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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.