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Finding the Fourth Proportional to 233,102.56, 349,644.84 and 66,890.56

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Solution

The fourth proportional to 233,102.56, 349,644.84 and 66,890.56 is: 100,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,102.56 : 349,644.84 = 66,890.56 : x
  2. Step 2: Convert to fraction form
    233,102.56/349,644.84 = 66,890.56/x
  3. Step 3: Cross multiply
    233,102.56x = 349,644.84 × 66,890.56
  4. Step 4: Simplify right side
    233,102.56x = 23,387,939,148.71
  5. Step 5: Solve for x
    x = 23,387,939,148.71/233,102.56
  6. Step 6: Final answer
    x = 100,333.26

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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.