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Finding the Fourth Proportional to 193,608.80, 290,402.72 and 60,473.76

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Solution

The fourth proportional to 193,608.80, 290,402.72 and 60,473.76 is: 90,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,608.80 : 290,402.72 = 60,473.76 : x
  2. Step 2: Convert to fraction form
    193,608.80/290,402.72 = 60,473.76/x
  3. Step 3: Cross multiply
    193,608.80x = 290,402.72 × 60,473.76
  4. Step 4: Simplify right side
    193,608.80x = 17,561,744,392.63
  5. Step 5: Solve for x
    x = 17,561,744,392.63/193,608.80
  6. Step 6: Final answer
    x = 90,707.37

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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.