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Finding the Fourth Proportional to 303,343.35, 454,950.42 and 90,053.44

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Solution

The fourth proportional to 303,343.35, 454,950.42 and 90,053.44 is: 135,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,343.35 : 454,950.42 = 90,053.44 : x
  2. Step 2: Convert to fraction form
    303,343.35/454,950.42 = 90,053.44/x
  3. Step 3: Cross multiply
    303,343.35x = 454,950.42 × 90,053.44
  4. Step 4: Simplify right side
    303,343.35x = 40,969,849,381.92
  5. Step 5: Solve for x
    x = 40,969,849,381.92/303,343.35
  6. Step 6: Final answer
    x = 135,060.98

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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.