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Finding the Fourth Proportional to 92,364.68, 138,601.73 and 39,053.74

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Solution

The fourth proportional to 92,364.68, 138,601.73 and 39,053.74 is: 58,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,364.68 : 138,601.73 = 39,053.74 : x
  2. Step 2: Convert to fraction form
    92,364.68/138,601.73 = 39,053.74/x
  3. Step 3: Cross multiply
    92,364.68x = 138,601.73 × 39,053.74
  4. Step 4: Simplify right side
    92,364.68x = 5,412,915,926.97
  5. Step 5: Solve for x
    x = 5,412,915,926.97/92,364.68
  6. Step 6: Final answer
    x = 58,603.74

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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.