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Finding the Fourth Proportional to 201,010.20, 277,523.90 and 124,610.95

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Solution

The fourth proportional to 201,010.20, 277,523.90 and 124,610.95 is: 172,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,010.20 : 277,523.90 = 124,610.95 : x
  2. Step 2: Convert to fraction form
    201,010.20/277,523.90 = 124,610.95/x
  3. Step 3: Cross multiply
    201,010.20x = 277,523.90 × 124,610.95
  4. Step 4: Simplify right side
    201,010.20x = 34,582,516,826.71
  5. Step 5: Solve for x
    x = 34,582,516,826.71/201,010.20
  6. Step 6: Final answer
    x = 172,043.59

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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.