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Finding the Fourth Proportional to 122,568.52, 183,870.06 and 43,665.88

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Solution

The fourth proportional to 122,568.52, 183,870.06 and 43,665.88 is: 65,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.52 : 183,870.06 = 43,665.88 : x
  2. Step 2: Convert to fraction form
    122,568.52/183,870.06 = 43,665.88/x
  3. Step 3: Cross multiply
    122,568.52x = 183,870.06 × 43,665.88
  4. Step 4: Simplify right side
    122,568.52x = 8,028,847,975.55
  5. Step 5: Solve for x
    x = 8,028,847,975.55/122,568.52
  6. Step 6: Final answer
    x = 65,504.98

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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.