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Finding the Fourth Proportional to 169,879.68, 254,858.88 and 57,553.92

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Solution

The fourth proportional to 169,879.68, 254,858.88 and 57,553.92 is: 86,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,879.68 : 254,858.88 = 57,553.92 : x
  2. Step 2: Convert to fraction form
    169,879.68/254,858.88 = 57,553.92/x
  3. Step 3: Cross multiply
    169,879.68x = 254,858.88 × 57,553.92
  4. Step 4: Simplify right side
    169,879.68x = 14,668,127,590.81
  5. Step 5: Solve for x
    x = 14,668,127,590.81/169,879.68
  6. Step 6: Final answer
    x = 86,344.21

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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.