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Finding the Fourth Proportional to 233,691.54, 350,396.91 and 91,367.25

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Solution

The fourth proportional to 233,691.54, 350,396.91 and 91,367.25 is: 136,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,691.54 : 350,396.91 = 91,367.25 : x
  2. Step 2: Convert to fraction form
    233,691.54/350,396.91 = 91,367.25/x
  3. Step 3: Cross multiply
    233,691.54x = 350,396.91 × 91,367.25
  4. Step 4: Simplify right side
    233,691.54x = 32,014,802,075.20
  5. Step 5: Solve for x
    x = 32,014,802,075.20/233,691.54
  6. Step 6: Final answer
    x = 136,995.98

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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.