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Finding the Fourth Proportional to 101,234.00, 151,851.11 and 74,957.20

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Solution

The fourth proportional to 101,234.00, 151,851.11 and 74,957.20 is: 112,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,234.00 : 151,851.11 = 74,957.20 : x
  2. Step 2: Convert to fraction form
    101,234.00/151,851.11 = 74,957.20/x
  3. Step 3: Cross multiply
    101,234.00x = 151,851.11 × 74,957.20
  4. Step 4: Simplify right side
    101,234.00x = 11,382,333,268.08
  5. Step 5: Solve for x
    x = 11,382,333,268.08/101,234.00
  6. Step 6: Final answer
    x = 112,435.87

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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.