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Finding the Fourth Proportional to 122,337.72, 183,524.82 and 43,445.32

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Solution

The fourth proportional to 122,337.72, 183,524.82 and 43,445.32 is: 65,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,337.72 : 183,524.82 = 43,445.32 : x
  2. Step 2: Convert to fraction form
    122,337.72/183,524.82 = 43,445.32/x
  3. Step 3: Cross multiply
    122,337.72x = 183,524.82 × 43,445.32
  4. Step 4: Simplify right side
    122,337.72x = 7,973,294,532.84
  5. Step 5: Solve for x
    x = 7,973,294,532.84/122,337.72
  6. Step 6: Final answer
    x = 65,174.46

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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.