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Finding the Fourth Proportional to 186,063.68, 279,101.92 and 73,765.12

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Solution

The fourth proportional to 186,063.68, 279,101.92 and 73,765.12 is: 110,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,063.68 : 279,101.92 = 73,765.12 : x
  2. Step 2: Convert to fraction form
    186,063.68/279,101.92 = 73,765.12/x
  3. Step 3: Cross multiply
    186,063.68x = 279,101.92 × 73,765.12
  4. Step 4: Simplify right side
    186,063.68x = 20,587,986,621.03
  5. Step 5: Solve for x
    x = 20,587,986,621.03/186,063.68
  6. Step 6: Final answer
    x = 110,650.22

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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.