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Finding the Fourth Proportional to 55,702.40, 83,553.60 and 53,734.10

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Solution

The fourth proportional to 55,702.40, 83,553.60 and 53,734.10 is: 80,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,702.40 : 83,553.60 = 53,734.10 : x
  2. Step 2: Convert to fraction form
    55,702.40/83,553.60 = 53,734.10/x
  3. Step 3: Cross multiply
    55,702.40x = 83,553.60 × 53,734.10
  4. Step 4: Simplify right side
    55,702.40x = 4,489,677,497.76
  5. Step 5: Solve for x
    x = 4,489,677,497.76/55,702.40
  6. Step 6: Final answer
    x = 80,601.15

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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.