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Finding the Fourth Proportional to 200,184.89, 300,360.26 and 87,807.11

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Solution

The fourth proportional to 200,184.89, 300,360.26 and 87,807.11 is: 131,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,184.89 : 300,360.26 = 87,807.11 : x
  2. Step 2: Convert to fraction form
    200,184.89/300,360.26 = 87,807.11/x
  3. Step 3: Cross multiply
    200,184.89x = 300,360.26 × 87,807.11
  4. Step 4: Simplify right side
    200,184.89x = 26,373,766,389.45
  5. Step 5: Solve for x
    x = 26,373,766,389.45/200,184.89
  6. Step 6: Final answer
    x = 131,747.04

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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.