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Finding the Fourth Proportional to 202,898.70, 303,764.85 and 124,166.70

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Solution

The fourth proportional to 202,898.70, 303,764.85 and 124,166.70 is: 185,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,898.70 : 303,764.85 = 124,166.70 : x
  2. Step 2: Convert to fraction form
    202,898.70/303,764.85 = 124,166.70/x
  3. Step 3: Cross multiply
    202,898.70x = 303,764.85 × 124,166.70
  4. Step 4: Simplify right side
    202,898.70x = 37,717,479,000.50
  5. Step 5: Solve for x
    x = 37,717,479,000.50/202,898.70
  6. Step 6: Final answer
    x = 185,893.15

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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.