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Finding the Fourth Proportional to 200,398.19, 300,550.10 and 93,855.38

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Solution

The fourth proportional to 200,398.19, 300,550.10 and 93,855.38 is: 140,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,398.19 : 300,550.10 = 93,855.38 : x
  2. Step 2: Convert to fraction form
    200,398.19/300,550.10 = 93,855.38/x
  3. Step 3: Cross multiply
    200,398.19x = 300,550.10 × 93,855.38
  4. Step 4: Simplify right side
    200,398.19x = 28,208,241,872.51
  5. Step 5: Solve for x
    x = 28,208,241,872.51/200,398.19
  6. Step 6: Final answer
    x = 140,760.96

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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.