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Finding the Fourth Proportional to 358,206.57, 537,290.41 and 108,869.13

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Solution

The fourth proportional to 358,206.57, 537,290.41 and 108,869.13 is: 163,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,206.57 : 537,290.41 = 108,869.13 : x
  2. Step 2: Convert to fraction form
    358,206.57/537,290.41 = 108,869.13/x
  3. Step 3: Cross multiply
    358,206.57x = 537,290.41 × 108,869.13
  4. Step 4: Simplify right side
    358,206.57x = 58,494,336,263.25
  5. Step 5: Solve for x
    x = 58,494,336,263.25/358,206.57
  6. Step 6: Final answer
    x = 163,297.78

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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.