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Finding the Fourth Proportional to 169,977.60, 255,063.60 and 117,424.80

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Solution

The fourth proportional to 169,977.60, 255,063.60 and 117,424.80 is: 176,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,977.60 : 255,063.60 = 117,424.80 : x
  2. Step 2: Convert to fraction form
    169,977.60/255,063.60 = 117,424.80/x
  3. Step 3: Cross multiply
    169,977.60x = 255,063.60 × 117,424.80
  4. Step 4: Simplify right side
    169,977.60x = 29,950,792,217.28
  5. Step 5: Solve for x
    x = 29,950,792,217.28/169,977.60
  6. Step 6: Final answer
    x = 176,204.35

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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.