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Finding the Fourth Proportional to 122,753.48, 184,130.22 and 38,526.64

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Solution

The fourth proportional to 122,753.48, 184,130.22 and 38,526.64 is: 57,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,753.48 : 184,130.22 = 38,526.64 : x
  2. Step 2: Convert to fraction form
    122,753.48/184,130.22 = 38,526.64/x
  3. Step 3: Cross multiply
    122,753.48x = 184,130.22 × 38,526.64
  4. Step 4: Simplify right side
    122,753.48x = 7,093,918,699.06
  5. Step 5: Solve for x
    x = 7,093,918,699.06/122,753.48
  6. Step 6: Final answer
    x = 57,789.96

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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.