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Finding the Fourth Proportional to 444,000.71, 666,043.15 and 124,152.58

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Solution

The fourth proportional to 444,000.71, 666,043.15 and 124,152.58 is: 186,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,000.71 : 666,043.15 = 124,152.58 : x
  2. Step 2: Convert to fraction form
    444,000.71/666,043.15 = 124,152.58/x
  3. Step 3: Cross multiply
    444,000.71x = 666,043.15 × 124,152.58
  4. Step 4: Simplify right side
    444,000.71x = 82,690,972,133.61
  5. Step 5: Solve for x
    x = 82,690,972,133.61/444,000.71
  6. Step 6: Final answer
    x = 186,240.63

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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.