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Finding the Fourth Proportional to 92,703.78, 139,010.31 and 33,530.58

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Solution

The fourth proportional to 92,703.78, 139,010.31 and 33,530.58 is: 50,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.78 : 139,010.31 = 33,530.58 : x
  2. Step 2: Convert to fraction form
    92,703.78/139,010.31 = 33,530.58/x
  3. Step 3: Cross multiply
    92,703.78x = 139,010.31 × 33,530.58
  4. Step 4: Simplify right side
    92,703.78x = 4,661,096,320.28
  5. Step 5: Solve for x
    x = 4,661,096,320.28/92,703.78
  6. Step 6: Final answer
    x = 50,279.46

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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.