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Finding the Fourth Proportional to 186,950.80, 280,367.37 and 60,561.72

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Solution

The fourth proportional to 186,950.80, 280,367.37 and 60,561.72 is: 90,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,950.80 : 280,367.37 = 60,561.72 : x
  2. Step 2: Convert to fraction form
    186,950.80/280,367.37 = 60,561.72/x
  3. Step 3: Cross multiply
    186,950.80x = 280,367.37 × 60,561.72
  4. Step 4: Simplify right side
    186,950.80x = 16,979,530,159.08
  5. Step 5: Solve for x
    x = 16,979,530,159.08/186,950.80
  6. Step 6: Final answer
    x = 90,823.52

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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.