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Finding the Fourth Proportional to 173,294.39, 259,966.35 and 53,361.47

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Solution

The fourth proportional to 173,294.39, 259,966.35 and 53,361.47 is: 80,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,294.39 : 259,966.35 = 53,361.47 : x
  2. Step 2: Convert to fraction form
    173,294.39/259,966.35 = 53,361.47/x
  3. Step 3: Cross multiply
    173,294.39x = 259,966.35 × 53,361.47
  4. Step 4: Simplify right side
    173,294.39x = 13,872,186,586.53
  5. Step 5: Solve for x
    x = 13,872,186,586.53/173,294.39
  6. Step 6: Final answer
    x = 80,049.83

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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.