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Finding the Fourth Proportional to 146,893.92, 220,187.10 and 61,553.64

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Solution

The fourth proportional to 146,893.92, 220,187.10 and 61,553.64 is: 92,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,893.92 : 220,187.10 = 61,553.64 : x
  2. Step 2: Convert to fraction form
    146,893.92/220,187.10 = 61,553.64/x
  3. Step 3: Cross multiply
    146,893.92x = 220,187.10 × 61,553.64
  4. Step 4: Simplify right side
    146,893.92x = 13,553,317,486.04
  5. Step 5: Solve for x
    x = 13,553,317,486.04/146,893.92
  6. Step 6: Final answer
    x = 92,266.02

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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.