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Finding the Fourth Proportional to 92,038.08, 138,071.73 and 29,694

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Solution

The fourth proportional to 92,038.08, 138,071.73 and 29,694 is: 44,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,038.08 : 138,071.73 = 29,694 : x
  2. Step 2: Convert to fraction form
    92,038.08/138,071.73 = 29,694/x
  3. Step 3: Cross multiply
    92,038.08x = 138,071.73 × 29,694
  4. Step 4: Simplify right side
    92,038.08x = 4,099,901,950.62
  5. Step 5: Solve for x
    x = 4,099,901,950.62/92,038.08
  6. Step 6: Final answer
    x = 44,545.71

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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.