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Finding the Fourth Proportional to 254,232.38, 350,839.71 and 139,512.94

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Solution

The fourth proportional to 254,232.38, 350,839.71 and 139,512.94 is: 192,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232.38 : 350,839.71 = 139,512.94 : x
  2. Step 2: Convert to fraction form
    254,232.38/350,839.71 = 139,512.94/x
  3. Step 3: Cross multiply
    254,232.38x = 350,839.71 × 139,512.94
  4. Step 4: Simplify right side
    254,232.38x = 48,946,678,533.75
  5. Step 5: Solve for x
    x = 48,946,678,533.75/254,232.38
  6. Step 6: Final answer
    x = 192,527.32

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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.