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Finding the Fourth Proportional to 193,689.97, 290,527.03 and 53,445.01

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Solution

The fourth proportional to 193,689.97, 290,527.03 and 53,445.01 is: 80,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,689.97 : 290,527.03 = 53,445.01 : x
  2. Step 2: Convert to fraction form
    193,689.97/290,527.03 = 53,445.01/x
  3. Step 3: Cross multiply
    193,689.97x = 290,527.03 × 53,445.01
  4. Step 4: Simplify right side
    193,689.97x = 15,527,220,023.62
  5. Step 5: Solve for x
    x = 15,527,220,023.62/193,689.97
  6. Step 6: Final answer
    x = 80,165.33

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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.