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Finding the Fourth Proportional to 254,217.76, 350,813.83 and 139,496.05

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Solution

The fourth proportional to 254,217.76, 350,813.83 and 139,496.05 is: 192,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,217.76 : 350,813.83 = 139,496.05 : x
  2. Step 2: Convert to fraction form
    254,217.76/350,813.83 = 139,496.05/x
  3. Step 3: Cross multiply
    254,217.76x = 350,813.83 × 139,496.05
  4. Step 4: Simplify right side
    254,217.76x = 48,937,143,570.37
  5. Step 5: Solve for x
    x = 48,937,143,570.37/254,217.76
  6. Step 6: Final answer
    x = 192,500.88

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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.