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Finding the Fourth Proportional to 92,248.46, 138,384.75 and 33,090.74

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Solution

The fourth proportional to 92,248.46, 138,384.75 and 33,090.74 is: 49,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,248.46 : 138,384.75 = 33,090.74 : x
  2. Step 2: Convert to fraction form
    92,248.46/138,384.75 = 33,090.74/x
  3. Step 3: Cross multiply
    92,248.46x = 138,384.75 × 33,090.74
  4. Step 4: Simplify right side
    92,248.46x = 4,579,253,782.22
  5. Step 5: Solve for x
    x = 4,579,253,782.22/92,248.46
  6. Step 6: Final answer
    x = 49,640.44

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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.