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Finding the Fourth Proportional to 169,392.88, 254,037.30 and 117,138.16

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Solution

The fourth proportional to 169,392.88, 254,037.30 and 117,138.16 is: 175,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,392.88 : 254,037.30 = 117,138.16 : x
  2. Step 2: Convert to fraction form
    169,392.88/254,037.30 = 117,138.16/x
  3. Step 3: Cross multiply
    169,392.88x = 254,037.30 × 117,138.16
  4. Step 4: Simplify right side
    169,392.88x = 29,757,461,893.37
  5. Step 5: Solve for x
    x = 29,757,461,893.37/169,392.88
  6. Step 6: Final answer
    x = 175,671.27

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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.