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Finding the Fourth Proportional to 110,360.66, 152,212.29 and 74,493.86

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Solution

The fourth proportional to 110,360.66, 152,212.29 and 74,493.86 is: 102,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,360.66 : 152,212.29 = 74,493.86 : x
  2. Step 2: Convert to fraction form
    110,360.66/152,212.29 = 74,493.86/x
  3. Step 3: Cross multiply
    110,360.66x = 152,212.29 × 74,493.86
  4. Step 4: Simplify right side
    110,360.66x = 11,338,881,021.54
  5. Step 5: Solve for x
    x = 11,338,881,021.54/110,360.66
  6. Step 6: Final answer
    x = 102,743.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.