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Finding the Fourth Proportional to 123,031.18, 184,481.13 and 63,719.74

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Solution

The fourth proportional to 123,031.18, 184,481.13 and 63,719.74 is: 95,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,031.18 : 184,481.13 = 63,719.74 : x
  2. Step 2: Convert to fraction form
    123,031.18/184,481.13 = 63,719.74/x
  3. Step 3: Cross multiply
    123,031.18x = 184,481.13 × 63,719.74
  4. Step 4: Simplify right side
    123,031.18x = 11,755,089,638.51
  5. Step 5: Solve for x
    x = 11,755,089,638.51/123,031.18
  6. Step 6: Final answer
    x = 95,545.61

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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.