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Finding the Fourth Proportional to 444,653.30, 666,981.52 and 107,694.18

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Solution

The fourth proportional to 444,653.30, 666,981.52 and 107,694.18 is: 161,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,653.30 : 666,981.52 = 107,694.18 : x
  2. Step 2: Convert to fraction form
    444,653.30/666,981.52 = 107,694.18/x
  3. Step 3: Cross multiply
    444,653.30x = 666,981.52 × 107,694.18
  4. Step 4: Simplify right side
    444,653.30x = 71,830,027,871.55
  5. Step 5: Solve for x
    x = 71,830,027,871.55/444,653.30
  6. Step 6: Final answer
    x = 161,541.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.