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Finding the Fourth Proportional to 186,468.60, 279,673.20 and 61,809.60

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Solution

The fourth proportional to 186,468.60, 279,673.20 and 61,809.60 is: 92,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,468.60 : 279,673.20 = 61,809.60 : x
  2. Step 2: Convert to fraction form
    186,468.60/279,673.20 = 61,809.60/x
  3. Step 3: Cross multiply
    186,468.60x = 279,673.20 × 61,809.60
  4. Step 4: Simplify right side
    186,468.60x = 17,286,488,622.72
  5. Step 5: Solve for x
    x = 17,286,488,622.72/186,468.60
  6. Step 6: Final answer
    x = 92,704.56

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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.