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Finding the Fourth Proportional to 203,108.09, 304,710.80 and 62,866.71

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Solution

The fourth proportional to 203,108.09, 304,710.80 and 62,866.71 is: 94,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,108.09 : 304,710.80 = 62,866.71 : x
  2. Step 2: Convert to fraction form
    203,108.09/304,710.80 = 62,866.71/x
  3. Step 3: Cross multiply
    203,108.09x = 304,710.80 × 62,866.71
  4. Step 4: Simplify right side
    203,108.09x = 19,156,165,183.13
  5. Step 5: Solve for x
    x = 19,156,165,183.13/203,108.09
  6. Step 6: Final answer
    x = 94,315.13

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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.