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Finding the Fourth Proportional to 200,365.25, 300,459.78 and 60,091.07

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Solution

The fourth proportional to 200,365.25, 300,459.78 and 60,091.07 is: 90,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,365.25 : 300,459.78 = 60,091.07 : x
  2. Step 2: Convert to fraction form
    200,365.25/300,459.78 = 60,091.07/x
  3. Step 3: Cross multiply
    200,365.25x = 300,459.78 × 60,091.07
  4. Step 4: Simplify right side
    200,365.25x = 18,054,948,169.87
  5. Step 5: Solve for x
    x = 18,054,948,169.87/200,365.25
  6. Step 6: Final answer
    x = 90,110.18

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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.