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Finding the Fourth Proportional to 193,911.60, 290,866.86 and 60,792.42

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Solution

The fourth proportional to 193,911.60, 290,866.86 and 60,792.42 is: 91,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,911.60 : 290,866.86 = 60,792.42 : x
  2. Step 2: Convert to fraction form
    193,911.60/290,866.86 = 60,792.42/x
  3. Step 3: Cross multiply
    193,911.60x = 290,866.86 × 60,792.42
  4. Step 4: Simplify right side
    193,911.60x = 17,682,500,317.20
  5. Step 5: Solve for x
    x = 17,682,500,317.20/193,911.60
  6. Step 6: Final answer
    x = 91,188.46

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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.