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Finding the Fourth Proportional to 61,703.41, 85,141.52 and 34,845.39

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Solution

The fourth proportional to 61,703.41, 85,141.52 and 34,845.39 is: 48,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.41 : 85,141.52 = 34,845.39 : x
  2. Step 2: Convert to fraction form
    61,703.41/85,141.52 = 34,845.39/x
  3. Step 3: Cross multiply
    61,703.41x = 85,141.52 × 34,845.39
  4. Step 4: Simplify right side
    61,703.41x = 2,966,789,469.59
  5. Step 5: Solve for x
    x = 2,966,789,469.59/61,703.41
  6. Step 6: Final answer
    x = 48,081.45

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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.