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Finding the Fourth Proportional to 67,809.98, 93,544.53 and 58,844.90

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Solution

The fourth proportional to 67,809.98, 93,544.53 and 58,844.90 is: 81,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,809.98 : 93,544.53 = 58,844.90 : x
  2. Step 2: Convert to fraction form
    67,809.98/93,544.53 = 58,844.90/x
  3. Step 3: Cross multiply
    67,809.98x = 93,544.53 × 58,844.90
  4. Step 4: Simplify right side
    67,809.98x = 5,504,618,513.40
  5. Step 5: Solve for x
    x = 5,504,618,513.40/67,809.98
  6. Step 6: Final answer
    x = 81,177.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.