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Finding the Fourth Proportional to 67,783.83, 101,656.30 and 26,221.11

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Solution

The fourth proportional to 67,783.83, 101,656.30 and 26,221.11 is: 39,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,783.83 : 101,656.30 = 26,221.11 : x
  2. Step 2: Convert to fraction form
    67,783.83/101,656.30 = 26,221.11/x
  3. Step 3: Cross multiply
    67,783.83x = 101,656.30 × 26,221.11
  4. Step 4: Simplify right side
    67,783.83x = 2,665,541,024.49
  5. Step 5: Solve for x
    x = 2,665,541,024.49/67,783.83
  6. Step 6: Final answer
    x = 39,324.14

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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.