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Finding the Fourth Proportional to 174,262.73, 261,373.34 and 47,915.82

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Solution

The fourth proportional to 174,262.73, 261,373.34 and 47,915.82 is: 71,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,262.73 : 261,373.34 = 47,915.82 : x
  2. Step 2: Convert to fraction form
    174,262.73/261,373.34 = 47,915.82/x
  3. Step 3: Cross multiply
    174,262.73x = 261,373.34 × 47,915.82
  4. Step 4: Simplify right side
    174,262.73x = 12,523,917,897.27
  5. Step 5: Solve for x
    x = 12,523,917,897.27/174,262.73
  6. Step 6: Final answer
    x = 71,868.02

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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.