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Finding the Fourth Proportional to 303,105.90, 418,311.05 and 167,166.44

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Solution

The fourth proportional to 303,105.90, 418,311.05 and 167,166.44 is: 230,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,105.90 : 418,311.05 = 167,166.44 : x
  2. Step 2: Convert to fraction form
    303,105.90/418,311.05 = 167,166.44/x
  3. Step 3: Cross multiply
    303,105.90x = 418,311.05 × 167,166.44
  4. Step 4: Simplify right side
    303,105.90x = 69,927,566,113.77
  5. Step 5: Solve for x
    x = 69,927,566,113.77/303,105.90
  6. Step 6: Final answer
    x = 230,703.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.