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Finding the Fourth Proportional to 233,903.25, 350,801.96 and 107,421.90

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Solution

The fourth proportional to 233,903.25, 350,801.96 and 107,421.90 is: 161,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,903.25 : 350,801.96 = 107,421.90 : x
  2. Step 2: Convert to fraction form
    233,903.25/350,801.96 = 107,421.90/x
  3. Step 3: Cross multiply
    233,903.25x = 350,801.96 × 107,421.90
  4. Step 4: Simplify right side
    233,903.25x = 37,683,813,791.82
  5. Step 5: Solve for x
    x = 37,683,813,791.82/233,903.25
  6. Step 6: Final answer
    x = 161,108.55

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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.