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Finding the Fourth Proportional to 188,283.50, 259,854.28 and 108,795.50

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Solution

The fourth proportional to 188,283.50, 259,854.28 and 108,795.50 is: 150,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,283.50 : 259,854.28 = 108,795.50 : x
  2. Step 2: Convert to fraction form
    188,283.50/259,854.28 = 108,795.50/x
  3. Step 3: Cross multiply
    188,283.50x = 259,854.28 × 108,795.50
  4. Step 4: Simplify right side
    188,283.50x = 28,270,976,319.74
  5. Step 5: Solve for x
    x = 28,270,976,319.74/188,283.50
  6. Step 6: Final answer
    x = 150,151.11

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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.