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Finding the Fourth Proportional to 61,060.96, 84,267.30 and 34,201.90

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Solution

The fourth proportional to 61,060.96, 84,267.30 and 34,201.90 is: 47,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,060.96 : 84,267.30 = 34,201.90 : x
  2. Step 2: Convert to fraction form
    61,060.96/84,267.30 = 34,201.90/x
  3. Step 3: Cross multiply
    61,060.96x = 84,267.30 × 34,201.90
  4. Step 4: Simplify right side
    61,060.96x = 2,882,101,767.87
  5. Step 5: Solve for x
    x = 2,882,101,767.87/61,060.96
  6. Step 6: Final answer
    x = 47,200.40

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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.