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Finding the Fourth Proportional to 67,207.61, 92,745.77 and 36,992.28

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Solution

The fourth proportional to 67,207.61, 92,745.77 and 36,992.28 is: 51,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,207.61 : 92,745.77 = 36,992.28 : x
  2. Step 2: Convert to fraction form
    67,207.61/92,745.77 = 36,992.28/x
  3. Step 3: Cross multiply
    67,207.61x = 92,745.77 × 36,992.28
  4. Step 4: Simplify right side
    67,207.61x = 3,430,877,307.69
  5. Step 5: Solve for x
    x = 3,430,877,307.69/67,207.61
  6. Step 6: Final answer
    x = 51,048.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.