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Finding the Fourth Proportional to 61,702.92, 85,140.83 and 34,844.90

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Solution

The fourth proportional to 61,702.92, 85,140.83 and 34,844.90 is: 48,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,702.92 : 85,140.83 = 34,844.90 : x
  2. Step 2: Convert to fraction form
    61,702.92/85,140.83 = 34,844.90/x
  3. Step 3: Cross multiply
    61,702.92x = 85,140.83 × 34,844.90
  4. Step 4: Simplify right side
    61,702.92x = 2,966,723,107.34
  5. Step 5: Solve for x
    x = 2,966,723,107.34/61,702.92
  6. Step 6: Final answer
    x = 48,080.76

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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.