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Finding the Fourth Proportional to 92,477.61, 138,683.55 and 33,297.39

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Solution

The fourth proportional to 92,477.61, 138,683.55 and 33,297.39 is: 49,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,477.61 : 138,683.55 = 33,297.39 : x
  2. Step 2: Convert to fraction form
    92,477.61/138,683.55 = 33,297.39/x
  3. Step 3: Cross multiply
    92,477.61x = 138,683.55 × 33,297.39
  4. Step 4: Simplify right side
    92,477.61x = 4,617,800,250.93
  5. Step 5: Solve for x
    x = 4,617,800,250.93/92,477.61
  6. Step 6: Final answer
    x = 49,934.25

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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.