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Finding the Fourth Proportional to 201,010.86, 277,524.78 and 124,611.60

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Solution

The fourth proportional to 201,010.86, 277,524.78 and 124,611.60 is: 172,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,010.86 : 277,524.78 = 124,611.60 : x
  2. Step 2: Convert to fraction form
    201,010.86/277,524.78 = 124,611.60/x
  3. Step 3: Cross multiply
    201,010.86x = 277,524.78 × 124,611.60
  4. Step 4: Simplify right side
    201,010.86x = 34,582,806,875.45
  5. Step 5: Solve for x
    x = 34,582,806,875.45/201,010.86
  6. Step 6: Final answer
    x = 172,044.47

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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.