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Finding the Fourth Proportional to 155,634.22, 233,661.22 and 99,583.74

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Solution

The fourth proportional to 155,634.22, 233,661.22 and 99,583.74 is: 149,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,634.22 : 233,661.22 = 99,583.74 : x
  2. Step 2: Convert to fraction form
    155,634.22/233,661.22 = 99,583.74/x
  3. Step 3: Cross multiply
    155,634.22x = 233,661.22 × 99,583.74
  4. Step 4: Simplify right side
    155,634.22x = 23,268,858,180.56
  5. Step 5: Solve for x
    x = 23,268,858,180.56/155,634.22
  6. Step 6: Final answer
    x = 149,509.91

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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.