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Finding the Fourth Proportional to 201,248.91, 301,883.72 and 51,490.49

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Solution

The fourth proportional to 201,248.91, 301,883.72 and 51,490.49 is: 77,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,248.91 : 301,883.72 = 51,490.49 : x
  2. Step 2: Convert to fraction form
    201,248.91/301,883.72 = 51,490.49/x
  3. Step 3: Cross multiply
    201,248.91x = 301,883.72 × 51,490.49
  4. Step 4: Simplify right side
    201,248.91x = 15,544,138,898.95
  5. Step 5: Solve for x
    x = 15,544,138,898.95/201,248.91
  6. Step 6: Final answer
    x = 77,238.38

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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.