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Finding the Fourth Proportional to 244,315.76, 366,475.24 and 66,818.80

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Solution

The fourth proportional to 244,315.76, 366,475.24 and 66,818.80 is: 100,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,315.76 : 366,475.24 = 66,818.80 : x
  2. Step 2: Convert to fraction form
    244,315.76/366,475.24 = 66,818.80/x
  3. Step 3: Cross multiply
    244,315.76x = 366,475.24 × 66,818.80
  4. Step 4: Simplify right side
    244,315.76x = 24,487,435,766.51
  5. Step 5: Solve for x
    x = 24,487,435,766.51/244,315.76
  6. Step 6: Final answer
    x = 100,228.64

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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.