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Finding the Fourth Proportional to 112,138.01, 168,239.48 and 33,254.13

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Solution

The fourth proportional to 112,138.01, 168,239.48 and 33,254.13 is: 49,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138.01 : 168,239.48 = 33,254.13 : x
  2. Step 2: Convert to fraction form
    112,138.01/168,239.48 = 33,254.13/x
  3. Step 3: Cross multiply
    112,138.01x = 168,239.48 × 33,254.13
  4. Step 4: Simplify right side
    112,138.01x = 5,594,657,539.05
  5. Step 5: Solve for x
    x = 5,594,657,539.05/112,138.01
  6. Step 6: Final answer
    x = 49,890.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.