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Finding the Fourth Proportional to 254,230.13, 350,836.63 and 139,510.71

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Solution

The fourth proportional to 254,230.13, 350,836.63 and 139,510.71 is: 192,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,230.13 : 350,836.63 = 139,510.71 : x
  2. Step 2: Convert to fraction form
    254,230.13/350,836.63 = 139,510.71/x
  3. Step 3: Cross multiply
    254,230.13x = 350,836.63 × 139,510.71
  4. Step 4: Simplify right side
    254,230.13x = 48,945,466,119.44
  5. Step 5: Solve for x
    x = 48,945,466,119.44/254,230.13
  6. Step 6: Final answer
    x = 192,524.25

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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.