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Finding the Fourth Proportional to 107,461.62, 148,285.99 and 67,179.82

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Solution

The fourth proportional to 107,461.62, 148,285.99 and 67,179.82 is: 92,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,461.62 : 148,285.99 = 67,179.82 : x
  2. Step 2: Convert to fraction form
    107,461.62/148,285.99 = 67,179.82/x
  3. Step 3: Cross multiply
    107,461.62x = 148,285.99 × 67,179.82
  4. Step 4: Simplify right side
    107,461.62x = 9,961,825,780.82
  5. Step 5: Solve for x
    x = 9,961,825,780.82/107,461.62
  6. Step 6: Final answer
    x = 92,701.24

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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.