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Finding the Fourth Proportional to 233,046.30, 349,569.45 and 99,903.90

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Solution

The fourth proportional to 233,046.30, 349,569.45 and 99,903.90 is: 149,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,046.30 : 349,569.45 = 99,903.90 : x
  2. Step 2: Convert to fraction form
    233,046.30/349,569.45 = 99,903.90/x
  3. Step 3: Cross multiply
    233,046.30x = 349,569.45 × 99,903.90
  4. Step 4: Simplify right side
    233,046.30x = 34,923,351,375.86
  5. Step 5: Solve for x
    x = 34,923,351,375.86/233,046.30
  6. Step 6: Final answer
    x = 149,855.85

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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.