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Finding the Fourth Proportional to 251,523.46, 347,086.92 and 144,068.86

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Solution

The fourth proportional to 251,523.46, 347,086.92 and 144,068.86 is: 198,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,523.46 : 347,086.92 = 144,068.86 : x
  2. Step 2: Convert to fraction form
    251,523.46/347,086.92 = 144,068.86/x
  3. Step 3: Cross multiply
    251,523.46x = 347,086.92 × 144,068.86
  4. Step 4: Simplify right side
    251,523.46x = 50,004,416,885.31
  5. Step 5: Solve for x
    x = 50,004,416,885.31/251,523.46
  6. Step 6: Final answer
    x = 198,806.17

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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.