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Finding the Fourth Proportional to 202,308.30, 303,462.45 and 69,168.60

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Solution

The fourth proportional to 202,308.30, 303,462.45 and 69,168.60 is: 103,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308.30 : 303,462.45 = 69,168.60 : x
  2. Step 2: Convert to fraction form
    202,308.30/303,462.45 = 69,168.60/x
  3. Step 3: Cross multiply
    202,308.30x = 303,462.45 × 69,168.60
  4. Step 4: Simplify right side
    202,308.30x = 20,990,072,819.07
  5. Step 5: Solve for x
    x = 20,990,072,819.07/202,308.30
  6. Step 6: Final answer
    x = 103,752.90

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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.