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Finding the Fourth Proportional to 202,401.90, 303,602.85 and 163,035.90

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Solution

The fourth proportional to 202,401.90, 303,602.85 and 163,035.90 is: 244,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,401.90 : 303,602.85 = 163,035.90 : x
  2. Step 2: Convert to fraction form
    202,401.90/303,602.85 = 163,035.90/x
  3. Step 3: Cross multiply
    202,401.90x = 303,602.85 × 163,035.90
  4. Step 4: Simplify right side
    202,401.90x = 49,498,163,892.32
  5. Step 5: Solve for x
    x = 49,498,163,892.32/202,401.90
  6. Step 6: Final answer
    x = 244,553.85

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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.