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Finding the Fourth Proportional to 122,599.53, 183,911.16 and 47,725.77

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Solution

The fourth proportional to 122,599.53, 183,911.16 and 47,725.77 is: 71,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.53 : 183,911.16 = 47,725.77 : x
  2. Step 2: Convert to fraction form
    122,599.53/183,911.16 = 47,725.77/x
  3. Step 3: Cross multiply
    122,599.53x = 183,911.16 × 47,725.77
  4. Step 4: Simplify right side
    122,599.53x = 8,777,301,722.59
  5. Step 5: Solve for x
    x = 8,777,301,722.59/122,599.53
  6. Step 6: Final answer
    x = 71,593.27

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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.