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Finding the Fourth Proportional to 117,468.30, 176,202.45 and 67,701.90

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Solution

The fourth proportional to 117,468.30, 176,202.45 and 67,701.90 is: 101,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,468.30 : 176,202.45 = 67,701.90 : x
  2. Step 2: Convert to fraction form
    117,468.30/176,202.45 = 67,701.90/x
  3. Step 3: Cross multiply
    117,468.30x = 176,202.45 × 67,701.90
  4. Step 4: Simplify right side
    117,468.30x = 11,929,240,649.66
  5. Step 5: Solve for x
    x = 11,929,240,649.66/117,468.30
  6. Step 6: Final answer
    x = 101,552.85

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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.