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Finding the Fourth Proportional to 82,220.58, 113,655.69 and 73,355.94

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Solution

The fourth proportional to 82,220.58, 113,655.69 and 73,355.94 is: 101,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,220.58 : 113,655.69 = 73,355.94 : x
  2. Step 2: Convert to fraction form
    82,220.58/113,655.69 = 73,355.94/x
  3. Step 3: Cross multiply
    82,220.58x = 113,655.69 × 73,355.94
  4. Step 4: Simplify right side
    82,220.58x = 8,337,319,976.30
  5. Step 5: Solve for x
    x = 8,337,319,976.30/82,220.58
  6. Step 6: Final answer
    x = 101,401.86

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1.5x scale

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.