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Finding the Fourth Proportional to 122,595.48, 183,893.26 and 39,489.48

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Solution

The fourth proportional to 122,595.48, 183,893.26 and 39,489.48 is: 59,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,595.48 : 183,893.26 = 39,489.48 : x
  2. Step 2: Convert to fraction form
    122,595.48/183,893.26 = 39,489.48/x
  3. Step 3: Cross multiply
    122,595.48x = 183,893.26 × 39,489.48
  4. Step 4: Simplify right side
    122,595.48x = 7,261,849,212.90
  5. Step 5: Solve for x
    x = 7,261,849,212.90/122,595.48
  6. Step 6: Final answer
    x = 59,234.23

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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.