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Finding the Fourth Proportional to 112,511.64, 168,745.56 and 33,648.42

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Solution

The fourth proportional to 112,511.64, 168,745.56 and 33,648.42 is: 50,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.64 : 168,745.56 = 33,648.42 : x
  2. Step 2: Convert to fraction form
    112,511.64/168,745.56 = 33,648.42/x
  3. Step 3: Cross multiply
    112,511.64x = 168,745.56 × 33,648.42
  4. Step 4: Simplify right side
    112,511.64x = 5,678,021,476.02
  5. Step 5: Solve for x
    x = 5,678,021,476.02/112,511.64
  6. Step 6: Final answer
    x = 50,466.08

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1.5x scale

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.