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Finding the Fourth Proportional to 193,378.93, 290,067.50 and 60,259.28

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Solution

The fourth proportional to 193,378.93, 290,067.50 and 60,259.28 is: 90,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.93 : 290,067.50 = 60,259.28 : x
  2. Step 2: Convert to fraction form
    193,378.93/290,067.50 = 60,259.28/x
  3. Step 3: Cross multiply
    193,378.93x = 290,067.50 × 60,259.28
  4. Step 4: Simplify right side
    193,378.93x = 17,479,257,401.71
  5. Step 5: Solve for x
    x = 17,479,257,401.71/193,378.93
  6. Step 6: Final answer
    x = 90,388.64

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1.5x scale

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.