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Finding the Fourth Proportional to 182,612.91, 252,030.84 and 105,086.96

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Solution

The fourth proportional to 182,612.91, 252,030.84 and 105,086.96 is: 145,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,612.91 : 252,030.84 = 105,086.96 : x
  2. Step 2: Convert to fraction form
    182,612.91/252,030.84 = 105,086.96/x
  3. Step 3: Cross multiply
    182,612.91x = 252,030.84 × 105,086.96
  4. Step 4: Simplify right side
    182,612.91x = 26,485,154,880.88
  5. Step 5: Solve for x
    x = 26,485,154,880.88/182,612.91
  6. Step 6: Final answer
    x = 145,034.41

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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.