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Finding the Fourth Proportional to 169,667.64, 254,532.74 and 55,821.85

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Solution

The fourth proportional to 169,667.64, 254,532.74 and 55,821.85 is: 83,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,667.64 : 254,532.74 = 55,821.85 : x
  2. Step 2: Convert to fraction form
    169,667.64/254,532.74 = 55,821.85/x
  3. Step 3: Cross multiply
    169,667.64x = 254,532.74 × 55,821.85
  4. Step 4: Simplify right side
    169,667.64x = 14,208,487,516.93
  5. Step 5: Solve for x
    x = 14,208,487,516.93/169,667.64
  6. Step 6: Final answer
    x = 83,743.06

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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.