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Finding the Fourth Proportional to 199,415.60, 299,269.20 and 132,833.60

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Solution

The fourth proportional to 199,415.60, 299,269.20 and 132,833.60 is: 199,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,415.60 : 299,269.20 = 132,833.60 : x
  2. Step 2: Convert to fraction form
    199,415.60/299,269.20 = 132,833.60/x
  3. Step 3: Cross multiply
    199,415.60x = 299,269.20 × 132,833.60
  4. Step 4: Simplify right side
    199,415.60x = 39,753,005,205.12
  5. Step 5: Solve for x
    x = 39,753,005,205.12/199,415.60
  6. Step 6: Final answer
    x = 199,347.52

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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.