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Finding the Fourth Proportional to 169,742.52, 254,249.29 and 159,805.67

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Solution

The fourth proportional to 169,742.52, 254,249.29 and 159,805.67 is: 239,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,742.52 : 254,249.29 = 159,805.67 : x
  2. Step 2: Convert to fraction form
    169,742.52/254,249.29 = 159,805.67/x
  3. Step 3: Cross multiply
    169,742.52x = 254,249.29 × 159,805.67
  4. Step 4: Simplify right side
    169,742.52x = 40,630,478,135.47
  5. Step 5: Solve for x
    x = 40,630,478,135.47/169,742.52
  6. Step 6: Final answer
    x = 239,365.35

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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.