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Finding the Fourth Proportional to 201,384.98, 277,842.06 and 124,876.52

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Solution

The fourth proportional to 201,384.98, 277,842.06 and 124,876.52 is: 172,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,384.98 : 277,842.06 = 124,876.52 : x
  2. Step 2: Convert to fraction form
    201,384.98/277,842.06 = 124,876.52/x
  3. Step 3: Cross multiply
    201,384.98x = 277,842.06 × 124,876.52
  4. Step 4: Simplify right side
    201,384.98x = 34,695,949,562.43
  5. Step 5: Solve for x
    x = 34,695,949,562.43/201,384.98
  6. Step 6: Final answer
    x = 172,286.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.