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Finding the Fourth Proportional to 295,355.68, 443,012.09 and 115,407.27

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Solution

The fourth proportional to 295,355.68, 443,012.09 and 115,407.27 is: 173,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,355.68 : 443,012.09 = 115,407.27 : x
  2. Step 2: Convert to fraction form
    295,355.68/443,012.09 = 115,407.27/x
  3. Step 3: Cross multiply
    295,355.68x = 443,012.09 × 115,407.27
  4. Step 4: Simplify right side
    295,355.68x = 51,126,815,883.89
  5. Step 5: Solve for x
    x = 51,126,815,883.89/295,355.68
  6. Step 6: Final answer
    x = 173,102.53

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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.