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Finding the Fourth Proportional to 244,086.16, 336,859.71 and 142,143.58

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Solution

The fourth proportional to 244,086.16, 336,859.71 and 142,143.58 is: 196,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,086.16 : 336,859.71 = 142,143.58 : x
  2. Step 2: Convert to fraction form
    244,086.16/336,859.71 = 142,143.58/x
  3. Step 3: Cross multiply
    244,086.16x = 336,859.71 × 142,143.58
  4. Step 4: Simplify right side
    244,086.16x = 47,882,443,929.92
  5. Step 5: Solve for x
    x = 47,882,443,929.92/244,086.16
  6. Step 6: Final answer
    x = 196,170.25

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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.