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Finding the Fourth Proportional to 173,663.40, 260,505.24 and 67,047.96

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Solution

The fourth proportional to 173,663.40, 260,505.24 and 67,047.96 is: 100,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,663.40 : 260,505.24 = 67,047.96 : x
  2. Step 2: Convert to fraction form
    173,663.40/260,505.24 = 67,047.96/x
  3. Step 3: Cross multiply
    173,663.40x = 260,505.24 × 67,047.96
  4. Step 4: Simplify right side
    173,663.40x = 17,466,344,911.31
  5. Step 5: Solve for x
    x = 17,466,344,911.31/173,663.40
  6. Step 6: Final answer
    x = 100,575.85

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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.