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Finding the Fourth Proportional to 92,448.83, 138,658.65 and 33,254.03

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Solution

The fourth proportional to 92,448.83, 138,658.65 and 33,254.03 is: 49,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448.83 : 138,658.65 = 33,254.03 : x
  2. Step 2: Convert to fraction form
    92,448.83/138,658.65 = 33,254.03/x
  3. Step 3: Cross multiply
    92,448.83x = 138,658.65 × 33,254.03
  4. Step 4: Simplify right side
    92,448.83x = 4,610,958,213.57
  5. Step 5: Solve for x
    x = 4,610,958,213.57/92,448.83
  6. Step 6: Final answer
    x = 49,875.79

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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.