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Finding the Fourth Proportional to 202,320.10, 303,480.15 and 97,344.10

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Solution

The fourth proportional to 202,320.10, 303,480.15 and 97,344.10 is: 146,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.10 : 303,480.15 = 97,344.10 : x
  2. Step 2: Convert to fraction form
    202,320.10/303,480.15 = 97,344.10/x
  3. Step 3: Cross multiply
    202,320.10x = 303,480.15 × 97,344.10
  4. Step 4: Simplify right side
    202,320.10x = 29,542,002,069.62
  5. Step 5: Solve for x
    x = 29,542,002,069.62/202,320.10
  6. Step 6: Final answer
    x = 146,016.15

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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.