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Finding the Fourth Proportional to 186,218.57, 279,344.32 and 53,095.97

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Solution

The fourth proportional to 186,218.57, 279,344.32 and 53,095.97 is: 79,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,218.57 : 279,344.32 = 53,095.97 : x
  2. Step 2: Convert to fraction form
    186,218.57/279,344.32 = 53,095.97/x
  3. Step 3: Cross multiply
    186,218.57x = 279,344.32 × 53,095.97
  4. Step 4: Simplify right side
    186,218.57x = 14,832,056,104.93
  5. Step 5: Solve for x
    x = 14,832,056,104.93/186,218.57
  6. Step 6: Final answer
    x = 79,648.64

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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.