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Finding the Fourth Proportional to 169,095.42, 253,522.98 and 84,794.77

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Solution

The fourth proportional to 169,095.42, 253,522.98 and 84,794.77 is: 127,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,095.42 : 253,522.98 = 84,794.77 : x
  2. Step 2: Convert to fraction form
    169,095.42/253,522.98 = 84,794.77/x
  3. Step 3: Cross multiply
    169,095.42x = 253,522.98 × 84,794.77
  4. Step 4: Simplify right side
    169,095.42x = 21,497,422,778.81
  5. Step 5: Solve for x
    x = 21,497,422,778.81/169,095.42
  6. Step 6: Final answer
    x = 127,131.90

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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.