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Finding the Fourth Proportional to 112,543.12, 168,844.64 and 33,658.12

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Solution

The fourth proportional to 112,543.12, 168,844.64 and 33,658.12 is: 50,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,543.12 : 168,844.64 = 33,658.12 : x
  2. Step 2: Convert to fraction form
    112,543.12/168,844.64 = 33,658.12/x
  3. Step 3: Cross multiply
    112,543.12x = 168,844.64 × 33,658.12
  4. Step 4: Simplify right side
    112,543.12x = 5,682,993,154.48
  5. Step 5: Solve for x
    x = 5,682,993,154.48/112,543.12
  6. Step 6: Final answer
    x = 50,496.14

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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.