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Finding the Fourth Proportional to 117,584.65, 162,267.70 and 63,869.65

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Solution

The fourth proportional to 117,584.65, 162,267.70 and 63,869.65 is: 88,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,584.65 : 162,267.70 = 63,869.65 : x
  2. Step 2: Convert to fraction form
    117,584.65/162,267.70 = 63,869.65/x
  3. Step 3: Cross multiply
    117,584.65x = 162,267.70 × 63,869.65
  4. Step 4: Simplify right side
    117,584.65x = 10,363,981,205.31
  5. Step 5: Solve for x
    x = 10,363,981,205.31/117,584.65
  6. Step 6: Final answer
    x = 88,140.60

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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.