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Finding the Fourth Proportional to 169,790.56, 254,694.30 and 64,617.68

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Solution

The fourth proportional to 169,790.56, 254,694.30 and 64,617.68 is: 96,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.56 : 254,694.30 = 64,617.68 : x
  2. Step 2: Convert to fraction form
    169,790.56/254,694.30 = 64,617.68/x
  3. Step 3: Cross multiply
    169,790.56x = 254,694.30 × 64,617.68
  4. Step 4: Simplify right side
    169,790.56x = 16,457,754,775.22
  5. Step 5: Solve for x
    x = 16,457,754,775.22/169,790.56
  6. Step 6: Final answer
    x = 96,929.74

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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.