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Finding the Fourth Proportional to 118,594.46, 163,642.49 and 67,611.62

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Solution

The fourth proportional to 118,594.46, 163,642.49 and 67,611.62 is: 93,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,594.46 : 163,642.49 = 67,611.62 : x
  2. Step 2: Convert to fraction form
    118,594.46/163,642.49 = 67,611.62/x
  3. Step 3: Cross multiply
    118,594.46x = 163,642.49 × 67,611.62
  4. Step 4: Simplify right side
    118,594.46x = 11,064,133,849.73
  5. Step 5: Solve for x
    x = 11,064,133,849.73/118,594.46
  6. Step 6: Final answer
    x = 93,293.85

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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.