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Finding the Fourth Proportional to 169,708.24, 254,342.58 and 69,755.32

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Solution

The fourth proportional to 169,708.24, 254,342.58 and 69,755.32 is: 104,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708.24 : 254,342.58 = 69,755.32 : x
  2. Step 2: Convert to fraction form
    169,708.24/254,342.58 = 69,755.32/x
  3. Step 3: Cross multiply
    169,708.24x = 254,342.58 × 69,755.32
  4. Step 4: Simplify right side
    169,708.24x = 17,741,748,057.53
  5. Step 5: Solve for x
    x = 17,741,748,057.53/169,708.24
  6. Step 6: Final answer
    x = 104,542.64

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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.