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Finding the Fourth Proportional to 155,750.30, 233,734.80 and 67,067.45

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Solution

The fourth proportional to 155,750.30, 233,734.80 and 67,067.45 is: 100,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,750.30 : 233,734.80 = 67,067.45 : x
  2. Step 2: Convert to fraction form
    155,750.30/233,734.80 = 67,067.45/x
  3. Step 3: Cross multiply
    155,750.30x = 233,734.80 × 67,067.45
  4. Step 4: Simplify right side
    155,750.30x = 15,675,997,012.26
  5. Step 5: Solve for x
    x = 15,675,997,012.26/155,750.30
  6. Step 6: Final answer
    x = 100,648.26

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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.