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Finding the Fourth Proportional to 233,680.87, 350,602.71 and 73,781.47

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Solution

The fourth proportional to 233,680.87, 350,602.71 and 73,781.47 is: 110,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,680.87 : 350,602.71 = 73,781.47 : x
  2. Step 2: Convert to fraction form
    233,680.87/350,602.71 = 73,781.47/x
  3. Step 3: Cross multiply
    233,680.87x = 350,602.71 × 73,781.47
  4. Step 4: Simplify right side
    233,680.87x = 25,867,983,329.78
  5. Step 5: Solve for x
    x = 25,867,983,329.78/233,680.87
  6. Step 6: Final answer
    x = 110,697.91

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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.