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Finding the Fourth Proportional to 173,235.33, 259,862.21 and 54,915.93

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Solution

The fourth proportional to 173,235.33, 259,862.21 and 54,915.93 is: 82,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235.33 : 259,862.21 = 54,915.93 : x
  2. Step 2: Convert to fraction form
    173,235.33/259,862.21 = 54,915.93/x
  3. Step 3: Cross multiply
    173,235.33x = 259,862.21 × 54,915.93
  4. Step 4: Simplify right side
    173,235.33x = 14,270,574,659.43
  5. Step 5: Solve for x
    x = 14,270,574,659.43/173,235.33
  6. Step 6: Final answer
    x = 82,376.81

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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.