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Finding the Fourth Proportional to 92,544.71, 138,872.57 and 39,954.15

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Solution

The fourth proportional to 92,544.71, 138,872.57 and 39,954.15 is: 59,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,544.71 : 138,872.57 = 39,954.15 : x
  2. Step 2: Convert to fraction form
    92,544.71/138,872.57 = 39,954.15/x
  3. Step 3: Cross multiply
    92,544.71x = 138,872.57 × 39,954.15
  4. Step 4: Simplify right side
    92,544.71x = 5,548,535,292.89
  5. Step 5: Solve for x
    x = 5,548,535,292.89/92,544.71
  6. Step 6: Final answer
    x = 59,955.19

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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.