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Finding the Fourth Proportional to 169,790.44, 254,694.11 and 64,617.56

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Solution

The fourth proportional to 169,790.44, 254,694.11 and 64,617.56 is: 96,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.44 : 254,694.11 = 64,617.56 : x
  2. Step 2: Convert to fraction form
    169,790.44/254,694.11 = 64,617.56/x
  3. Step 3: Cross multiply
    169,790.44x = 254,694.11 × 64,617.56
  4. Step 4: Simplify right side
    169,790.44x = 16,457,710,822.64
  5. Step 5: Solve for x
    x = 16,457,710,822.64/169,790.44
  6. Step 6: Final answer
    x = 96,929.55

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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.