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Finding the Fourth Proportional to 254,086.22, 350,639.50 and 139,365.80

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Solution

The fourth proportional to 254,086.22, 350,639.50 and 139,365.80 is: 192,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,086.22 : 350,639.50 = 139,365.80 : x
  2. Step 2: Convert to fraction form
    254,086.22/350,639.50 = 139,365.80/x
  3. Step 3: Cross multiply
    254,086.22x = 350,639.50 × 139,365.80
  4. Step 4: Simplify right side
    254,086.22x = 48,867,154,429.10
  5. Step 5: Solve for x
    x = 48,867,154,429.10/254,086.22
  6. Step 6: Final answer
    x = 192,325.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.