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Finding the Fourth Proportional to 155,399.78, 233,099.67 and 102,796.97

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Solution

The fourth proportional to 155,399.78, 233,099.67 and 102,796.97 is: 154,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,399.78 : 233,099.67 = 102,796.97 : x
  2. Step 2: Convert to fraction form
    155,399.78/233,099.67 = 102,796.97/x
  3. Step 3: Cross multiply
    155,399.78x = 233,099.67 × 102,796.97
  4. Step 4: Simplify right side
    155,399.78x = 23,961,939,784.00
  5. Step 5: Solve for x
    x = 23,961,939,784.00/155,399.78
  6. Step 6: Final answer
    x = 154,195.46

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1.5x scale

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.