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Finding the Fourth Proportional to 186,842.71, 280,252.54 and 60,480.19

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Solution

The fourth proportional to 186,842.71, 280,252.54 and 60,480.19 is: 90,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842.71 : 280,252.54 = 60,480.19 : x
  2. Step 2: Convert to fraction form
    186,842.71/280,252.54 = 60,480.19/x
  3. Step 3: Cross multiply
    186,842.71x = 280,252.54 × 60,480.19
  4. Step 4: Simplify right side
    186,842.71x = 16,949,726,867.18
  5. Step 5: Solve for x
    x = 16,949,726,867.18/186,842.71
  6. Step 6: Final answer
    x = 90,716.55

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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.