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Finding the Fourth Proportional to 201,009.66, 277,523.14 and 124,610.40

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Solution

The fourth proportional to 201,009.66, 277,523.14 and 124,610.40 is: 172,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,009.66 : 277,523.14 = 124,610.40 : x
  2. Step 2: Convert to fraction form
    201,009.66/277,523.14 = 124,610.40/x
  3. Step 3: Cross multiply
    201,009.66x = 277,523.14 × 124,610.40
  4. Step 4: Simplify right side
    201,009.66x = 34,582,269,484.66
  5. Step 5: Solve for x
    x = 34,582,269,484.66/201,009.66
  6. Step 6: Final answer
    x = 172,042.82

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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.