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Finding the Fourth Proportional to 122,336.72, 183,523.32 and 43,444.32

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Solution

The fourth proportional to 122,336.72, 183,523.32 and 43,444.32 is: 65,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,336.72 : 183,523.32 = 43,444.32 : x
  2. Step 2: Convert to fraction form
    122,336.72/183,523.32 = 43,444.32/x
  3. Step 3: Cross multiply
    122,336.72x = 183,523.32 × 43,444.32
  4. Step 4: Simplify right side
    122,336.72x = 7,973,045,841.54
  5. Step 5: Solve for x
    x = 7,973,045,841.54/122,336.72
  6. Step 6: Final answer
    x = 65,172.96

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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.