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Finding the Fourth Proportional to 233,634.80, 349,933.80 and 93,321.20

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Solution

The fourth proportional to 233,634.80, 349,933.80 and 93,321.20 is: 139,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,634.80 : 349,933.80 = 93,321.20 : x
  2. Step 2: Convert to fraction form
    233,634.80/349,933.80 = 93,321.20/x
  3. Step 3: Cross multiply
    233,634.80x = 349,933.80 × 93,321.20
  4. Step 4: Simplify right side
    233,634.80x = 32,656,242,136.56
  5. Step 5: Solve for x
    x = 32,656,242,136.56/233,634.80
  6. Step 6: Final answer
    x = 139,774.73

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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.