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Finding the Fourth Proportional to 85,062.74, 127,588.95 and 37,664.02

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Solution

The fourth proportional to 85,062.74, 127,588.95 and 37,664.02 is: 56,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.74 : 127,588.95 = 37,664.02 : x
  2. Step 2: Convert to fraction form
    85,062.74/127,588.95 = 37,664.02/x
  3. Step 3: Cross multiply
    85,062.74x = 127,588.95 × 37,664.02
  4. Step 4: Simplify right side
    85,062.74x = 4,805,512,764.58
  5. Step 5: Solve for x
    x = 4,805,512,764.58/85,062.74
  6. Step 6: Final answer
    x = 56,493.75

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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.