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Finding the Fourth Proportional to 117,870.26, 176,799.63 and 43,992.50

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Solution

The fourth proportional to 117,870.26, 176,799.63 and 43,992.50 is: 65,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,870.26 : 176,799.63 = 43,992.50 : x
  2. Step 2: Convert to fraction form
    117,870.26/176,799.63 = 43,992.50/x
  3. Step 3: Cross multiply
    117,870.26x = 176,799.63 × 43,992.50
  4. Step 4: Simplify right side
    117,870.26x = 7,777,857,722.78
  5. Step 5: Solve for x
    x = 7,777,857,722.78/117,870.26
  6. Step 6: Final answer
    x = 65,986.60

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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.