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Finding the Fourth Proportional to 186,668.73, 280,044.54 and 53,538.75

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Solution

The fourth proportional to 186,668.73, 280,044.54 and 53,538.75 is: 80,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,668.73 : 280,044.54 = 53,538.75 : x
  2. Step 2: Convert to fraction form
    186,668.73/280,044.54 = 53,538.75/x
  3. Step 3: Cross multiply
    186,668.73x = 280,044.54 × 53,538.75
  4. Step 4: Simplify right side
    186,668.73x = 14,993,234,615.93
  5. Step 5: Solve for x
    x = 14,993,234,615.93/186,668.73
  6. Step 6: Final answer
    x = 80,320.01

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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.