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Finding the Fourth Proportional to 92,063.95, 138,095.94 and 28,893.82

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Solution

The fourth proportional to 92,063.95, 138,095.94 and 28,893.82 is: 43,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,063.95 : 138,095.94 = 28,893.82 : x
  2. Step 2: Convert to fraction form
    92,063.95/138,095.94 = 28,893.82/x
  3. Step 3: Cross multiply
    92,063.95x = 138,095.94 × 28,893.82
  4. Step 4: Simplify right side
    92,063.95x = 3,990,119,233.09
  5. Step 5: Solve for x
    x = 3,990,119,233.09/92,063.95
  6. Step 6: Final answer
    x = 43,340.73

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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.