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Finding the Fourth Proportional to 104,750.79, 157,135.45 and 29,869.33

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Solution

The fourth proportional to 104,750.79, 157,135.45 and 29,869.33 is: 44,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.79 : 157,135.45 = 29,869.33 : x
  2. Step 2: Convert to fraction form
    104,750.79/157,135.45 = 29,869.33/x
  3. Step 3: Cross multiply
    104,750.79x = 157,135.45 × 29,869.33
  4. Step 4: Simplify right side
    104,750.79x = 4,693,530,610.75
  5. Step 5: Solve for x
    x = 4,693,530,610.75/104,750.79
  6. Step 6: Final answer
    x = 44,806.64

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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.