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Finding the Fourth Proportional to 169,645.68, 254,477.28 and 43,287.03

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Solution

The fourth proportional to 169,645.68, 254,477.28 and 43,287.03 is: 64,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,645.68 : 254,477.28 = 43,287.03 : x
  2. Step 2: Convert to fraction form
    169,645.68/254,477.28 = 43,287.03/x
  3. Step 3: Cross multiply
    169,645.68x = 254,477.28 × 43,287.03
  4. Step 4: Simplify right side
    169,645.68x = 11,015,565,572.52
  5. Step 5: Solve for x
    x = 11,015,565,572.52/169,645.68
  6. Step 6: Final answer
    x = 64,932.78

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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.