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Finding the Fourth Proportional to 122,873.66, 184,335.09 and 38,655.01

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Solution

The fourth proportional to 122,873.66, 184,335.09 and 38,655.01 is: 57,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873.66 : 184,335.09 = 38,655.01 : x
  2. Step 2: Convert to fraction form
    122,873.66/184,335.09 = 38,655.01/x
  3. Step 3: Cross multiply
    122,873.66x = 184,335.09 × 38,655.01
  4. Step 4: Simplify right side
    122,873.66x = 7,125,474,747.30
  5. Step 5: Solve for x
    x = 7,125,474,747.30/122,873.66
  6. Step 6: Final answer
    x = 57,990.25

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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.