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Finding the Fourth Proportional to 254,231.84, 350,838.98 and 139,512.42

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Solution

The fourth proportional to 254,231.84, 350,838.98 and 139,512.42 is: 192,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,231.84 : 350,838.98 = 139,512.42 : x
  2. Step 2: Convert to fraction form
    254,231.84/350,838.98 = 139,512.42/x
  3. Step 3: Cross multiply
    254,231.84x = 350,838.98 × 139,512.42
  4. Step 4: Simplify right side
    254,231.84x = 48,946,394,955.74
  5. Step 5: Solve for x
    x = 48,946,394,955.74/254,231.84
  6. Step 6: Final answer
    x = 192,526.61

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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.