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Finding the Fourth Proportional to 186,470.60, 279,676.20 and 61,811.60

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Solution

The fourth proportional to 186,470.60, 279,676.20 and 61,811.60 is: 92,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,470.60 : 279,676.20 = 61,811.60 : x
  2. Step 2: Convert to fraction form
    186,470.60/279,676.20 = 61,811.60/x
  3. Step 3: Cross multiply
    186,470.60x = 279,676.20 × 61,811.60
  4. Step 4: Simplify right side
    186,470.60x = 17,287,233,403.92
  5. Step 5: Solve for x
    x = 17,287,233,403.92/186,470.60
  6. Step 6: Final answer
    x = 92,707.55

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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.