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Finding the Fourth Proportional to 112,295.70, 168,253.21 and 67,829.03

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Solution

The fourth proportional to 112,295.70, 168,253.21 and 67,829.03 is: 101,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295.70 : 168,253.21 = 67,829.03 : x
  2. Step 2: Convert to fraction form
    112,295.70/168,253.21 = 67,829.03/x
  3. Step 3: Cross multiply
    112,295.70x = 168,253.21 × 67,829.03
  4. Step 4: Simplify right side
    112,295.70x = 11,412,452,028.69
  5. Step 5: Solve for x
    x = 11,412,452,028.69/112,295.70
  6. Step 6: Final answer
    x = 101,628.58

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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.