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Finding the Fourth Proportional to 200,353.32, 300,522.69 and 60,108.30

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Solution

The fourth proportional to 200,353.32, 300,522.69 and 60,108.30 is: 90,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,353.32 : 300,522.69 = 60,108.30 : x
  2. Step 2: Convert to fraction form
    200,353.32/300,522.69 = 60,108.30/x
  3. Step 3: Cross multiply
    200,353.32x = 300,522.69 × 60,108.30
  4. Step 4: Simplify right side
    200,353.32x = 18,063,908,007.33
  5. Step 5: Solve for x
    x = 18,063,908,007.33/200,353.32
  6. Step 6: Final answer
    x = 90,160.26

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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.