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Finding the Fourth Proportional to 202,319.40, 303,479.10 and 97,084.20

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Solution

The fourth proportional to 202,319.40, 303,479.10 and 97,084.20 is: 145,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,319.40 : 303,479.10 = 97,084.20 : x
  2. Step 2: Convert to fraction form
    202,319.40/303,479.10 = 97,084.20/x
  3. Step 3: Cross multiply
    202,319.40x = 303,479.10 × 97,084.20
  4. Step 4: Simplify right side
    202,319.40x = 29,463,025,640.22
  5. Step 5: Solve for x
    x = 29,463,025,640.22/202,319.40
  6. Step 6: Final answer
    x = 145,626.30

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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.