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Finding the Fourth Proportional to 97,371.58, 134,372.28 and 54,348.61

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Solution

The fourth proportional to 97,371.58, 134,372.28 and 54,348.61 is: 75,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,371.58 : 134,372.28 = 54,348.61 : x
  2. Step 2: Convert to fraction form
    97,371.58/134,372.28 = 54,348.61/x
  3. Step 3: Cross multiply
    97,371.58x = 134,372.28 × 54,348.61
  4. Step 4: Simplify right side
    97,371.58x = 7,302,946,508.41
  5. Step 5: Solve for x
    x = 7,302,946,508.41/97,371.58
  6. Step 6: Final answer
    x = 75,000.80

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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.