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Finding the Fourth Proportional to 169,478.48, 254,219.22 and 43,118.87

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Solution

The fourth proportional to 169,478.48, 254,219.22 and 43,118.87 is: 64,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,478.48 : 254,219.22 = 43,118.87 : x
  2. Step 2: Convert to fraction form
    169,478.48/254,219.22 = 43,118.87/x
  3. Step 3: Cross multiply
    169,478.48x = 254,219.22 × 43,118.87
  4. Step 4: Simplify right side
    169,478.48x = 10,961,645,498.68
  5. Step 5: Solve for x
    x = 10,961,645,498.68/169,478.48
  6. Step 6: Final answer
    x = 64,678.69

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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.