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Finding the Fourth Proportional to 122,568.88, 183,807.96 and 43,662.16

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Solution

The fourth proportional to 122,568.88, 183,807.96 and 43,662.16 is: 65,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.88 : 183,807.96 = 43,662.16 : x
  2. Step 2: Convert to fraction form
    122,568.88/183,807.96 = 43,662.16/x
  3. Step 3: Cross multiply
    122,568.88x = 183,807.96 × 43,662.16
  4. Step 4: Simplify right side
    122,568.88x = 8,025,452,558.79
  5. Step 5: Solve for x
    x = 8,025,452,558.79/122,568.88
  6. Step 6: Final answer
    x = 65,477.08

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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.