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Finding the Fourth Proportional to 117,064.80, 175,286.16 and 60,805.44

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Solution

The fourth proportional to 117,064.80, 175,286.16 and 60,805.44 is: 91,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,064.80 : 175,286.16 = 60,805.44 : x
  2. Step 2: Convert to fraction form
    117,064.80/175,286.16 = 60,805.44/x
  3. Step 3: Cross multiply
    117,064.80x = 175,286.16 × 60,805.44
  4. Step 4: Simplify right side
    117,064.80x = 10,658,352,084.71
  5. Step 5: Solve for x
    x = 10,658,352,084.71/117,064.80
  6. Step 6: Final answer
    x = 91,046.60

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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.