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Finding the Fourth Proportional to 92,610.96, 138,935.64 and 37,211.28

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Solution

The fourth proportional to 92,610.96, 138,935.64 and 37,211.28 is: 55,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,610.96 : 138,935.64 = 37,211.28 : x
  2. Step 2: Convert to fraction form
    92,610.96/138,935.64 = 37,211.28/x
  3. Step 3: Cross multiply
    92,610.96x = 138,935.64 × 37,211.28
  4. Step 4: Simplify right side
    92,610.96x = 5,169,973,002.02
  5. Step 5: Solve for x
    x = 5,169,973,002.02/92,610.96
  6. Step 6: Final answer
    x = 55,824.63

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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.