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Finding the Fourth Proportional to 67,564.53, 101,349.21 and 23,190.98

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Solution

The fourth proportional to 67,564.53, 101,349.21 and 23,190.98 is: 34,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.53 : 101,349.21 = 23,190.98 : x
  2. Step 2: Convert to fraction form
    67,564.53/101,349.21 = 23,190.98/x
  3. Step 3: Cross multiply
    67,564.53x = 101,349.21 × 23,190.98
  4. Step 4: Simplify right side
    67,564.53x = 2,350,387,502.13
  5. Step 5: Solve for x
    x = 2,350,387,502.13/67,564.53
  6. Step 6: Final answer
    x = 34,787.30

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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.