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Finding the Fourth Proportional to 203,752.17, 305,631 and 54,006.93

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Solution

The fourth proportional to 203,752.17, 305,631 and 54,006.93 is: 81,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,752.17 : 305,631 = 54,006.93 : x
  2. Step 2: Convert to fraction form
    203,752.17/305,631 = 54,006.93/x
  3. Step 3: Cross multiply
    203,752.17x = 305,631 × 54,006.93
  4. Step 4: Simplify right side
    203,752.17x = 16,506,192,022.83
  5. Step 5: Solve for x
    x = 16,506,192,022.83/203,752.17
  6. Step 6: Final answer
    x = 81,011.12

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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.