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Finding the Fourth Proportional to 202,190.60, 303,358.80 and 194,900.60

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Solution

The fourth proportional to 202,190.60, 303,358.80 and 194,900.60 is: 292,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,190.60 : 303,358.80 = 194,900.60 : x
  2. Step 2: Convert to fraction form
    202,190.60/303,358.80 = 194,900.60/x
  3. Step 3: Cross multiply
    202,190.60x = 303,358.80 × 194,900.60
  4. Step 4: Simplify right side
    202,190.60x = 59,124,812,135.28
  5. Step 5: Solve for x
    x = 59,124,812,135.28/202,190.60
  6. Step 6: Final answer
    x = 292,421.17

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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.