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Finding the Fourth Proportional to 155,883.88, 233,860.46 and 72,732.52

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Solution

The fourth proportional to 155,883.88, 233,860.46 and 72,732.52 is: 109,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,883.88 : 233,860.46 = 72,732.52 : x
  2. Step 2: Convert to fraction form
    155,883.88/233,860.46 = 72,732.52/x
  3. Step 3: Cross multiply
    155,883.88x = 233,860.46 × 72,732.52
  4. Step 4: Simplify right side
    155,883.88x = 17,009,260,584.16
  5. Step 5: Solve for x
    x = 17,009,260,584.16/155,883.88
  6. Step 6: Final answer
    x = 109,114.94

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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.