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Finding the Fourth Proportional to 169,790.69, 254,694.49 and 64,617.81

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Solution

The fourth proportional to 169,790.69, 254,694.49 and 64,617.81 is: 96,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.69 : 254,694.49 = 64,617.81 : x
  2. Step 2: Convert to fraction form
    169,790.69/254,694.49 = 64,617.81/x
  3. Step 3: Cross multiply
    169,790.69x = 254,694.49 × 64,617.81
  4. Step 4: Simplify right side
    169,790.69x = 16,457,798,727.85
  5. Step 5: Solve for x
    x = 16,457,798,727.85/169,790.69
  6. Step 6: Final answer
    x = 96,929.93

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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.