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Finding the Fourth Proportional to 122,685.31, 184,028.00 and 38,452.01

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Solution

The fourth proportional to 122,685.31, 184,028.00 and 38,452.01 is: 57,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,685.31 : 184,028.00 = 38,452.01 : x
  2. Step 2: Convert to fraction form
    122,685.31/184,028.00 = 38,452.01/x
  3. Step 3: Cross multiply
    122,685.31x = 184,028.00 × 38,452.01
  4. Step 4: Simplify right side
    122,685.31x = 7,076,245,600.17
  5. Step 5: Solve for x
    x = 7,076,245,600.17/122,685.31
  6. Step 6: Final answer
    x = 57,678.02

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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.