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Finding the Fourth Proportional to 168,593.85, 253,032.66 and 84,328.74

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Solution

The fourth proportional to 168,593.85, 253,032.66 and 84,328.74 is: 126,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,593.85 : 253,032.66 = 84,328.74 : x
  2. Step 2: Convert to fraction form
    168,593.85/253,032.66 = 84,328.74/x
  3. Step 3: Cross multiply
    168,593.85x = 253,032.66 × 84,328.74
  4. Step 4: Simplify right side
    168,593.85x = 21,337,925,396.65
  5. Step 5: Solve for x
    x = 21,337,925,396.65/168,593.85
  6. Step 6: Final answer
    x = 126,564.08

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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.