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Finding the Fourth Proportional to 92,100.35, 137,986.17 and 49,953.54

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Solution

The fourth proportional to 92,100.35, 137,986.17 and 49,953.54 is: 74,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,100.35 : 137,986.17 = 49,953.54 : x
  2. Step 2: Convert to fraction form
    92,100.35/137,986.17 = 49,953.54/x
  3. Step 3: Cross multiply
    92,100.35x = 137,986.17 × 49,953.54
  4. Step 4: Simplify right side
    92,100.35x = 6,892,898,023.89
  5. Step 5: Solve for x
    x = 6,892,898,023.89/92,100.35
  6. Step 6: Final answer
    x = 74,841.17

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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.