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Finding the Fourth Proportional to 254,230.40, 350,836.97 and 139,510.97

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Solution

The fourth proportional to 254,230.40, 350,836.97 and 139,510.97 is: 192,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,230.40 : 350,836.97 = 139,510.97 : x
  2. Step 2: Convert to fraction form
    254,230.40/350,836.97 = 139,510.97/x
  3. Step 3: Cross multiply
    254,230.40x = 350,836.97 × 139,510.97
  4. Step 4: Simplify right side
    254,230.40x = 48,945,605,299.01
  5. Step 5: Solve for x
    x = 48,945,605,299.01/254,230.40
  6. Step 6: Final answer
    x = 192,524.60

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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.