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Finding the Fourth Proportional to 127,353, 191,029.52 and 39,801

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Solution

The fourth proportional to 127,353, 191,029.52 and 39,801 is: 59,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,353 : 191,029.52 = 39,801 : x
  2. Step 2: Convert to fraction form
    127,353/191,029.52 = 39,801/x
  3. Step 3: Cross multiply
    127,353x = 191,029.52 × 39,801
  4. Step 4: Simplify right side
    127,353x = 7,603,165,925.52
  5. Step 5: Solve for x
    x = 7,603,165,925.52/127,353
  6. Step 6: Final answer
    x = 59,701.51

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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.