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Finding the Fourth Proportional to 236,610.74, 354,967.14 and 68,129.93

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Solution

The fourth proportional to 236,610.74, 354,967.14 and 68,129.93 is: 102,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,610.74 : 354,967.14 = 68,129.93 : x
  2. Step 2: Convert to fraction form
    236,610.74/354,967.14 = 68,129.93/x
  3. Step 3: Cross multiply
    236,610.74x = 354,967.14 × 68,129.93
  4. Step 4: Simplify right side
    236,610.74x = 24,183,886,400.50
  5. Step 5: Solve for x
    x = 24,183,886,400.50/236,610.74
  6. Step 6: Final answer
    x = 102,209.59

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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.