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Finding the Fourth Proportional to 202,822.70, 304,420.05 and 103,052.30

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Solution

The fourth proportional to 202,822.70, 304,420.05 and 103,052.30 is: 154,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,822.70 : 304,420.05 = 103,052.30 : x
  2. Step 2: Convert to fraction form
    202,822.70/304,420.05 = 103,052.30/x
  3. Step 3: Cross multiply
    202,822.70x = 304,420.05 × 103,052.30
  4. Step 4: Simplify right side
    202,822.70x = 31,371,186,318.62
  5. Step 5: Solve for x
    x = 31,371,186,318.62/202,822.70
  6. Step 6: Final answer
    x = 154,672.95

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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.