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Finding the Fourth Proportional to 193,645.60, 290,468.62 and 60,526.56

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Solution

The fourth proportional to 193,645.60, 290,468.62 and 60,526.56 is: 90,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,645.60 : 290,468.62 = 60,526.56 : x
  2. Step 2: Convert to fraction form
    193,645.60/290,468.62 = 60,526.56/x
  3. Step 3: Cross multiply
    193,645.60x = 290,468.62 × 60,526.56
  4. Step 4: Simplify right side
    193,645.60x = 17,581,066,356.55
  5. Step 5: Solve for x
    x = 17,581,066,356.55/193,645.60
  6. Step 6: Final answer
    x = 90,789.91

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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.