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Finding the Fourth Proportional to 188,886.60, 283,329.90 and 185,606.10

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Solution

The fourth proportional to 188,886.60, 283,329.90 and 185,606.10 is: 278,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,886.60 : 283,329.90 = 185,606.10 : x
  2. Step 2: Convert to fraction form
    188,886.60/283,329.90 = 185,606.10/x
  3. Step 3: Cross multiply
    188,886.60x = 283,329.90 × 185,606.10
  4. Step 4: Simplify right side
    188,886.60x = 52,587,757,752.39
  5. Step 5: Solve for x
    x = 52,587,757,752.39/188,886.60
  6. Step 6: Final answer
    x = 278,409.15

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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.