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Finding the Fourth Proportional to 199,083.60, 298,711.80 and 100,587.60

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Solution

The fourth proportional to 199,083.60, 298,711.80 and 100,587.60 is: 150,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,083.60 : 298,711.80 = 100,587.60 : x
  2. Step 2: Convert to fraction form
    199,083.60/298,711.80 = 100,587.60/x
  3. Step 3: Cross multiply
    199,083.60x = 298,711.80 × 100,587.60
  4. Step 4: Simplify right side
    199,083.60x = 30,046,703,053.68
  5. Step 5: Solve for x
    x = 30,046,703,053.68/199,083.60
  6. Step 6: Final answer
    x = 150,925.05

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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.