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Finding the Fourth Proportional to 117,616.60, 175,536 and 106,266.36

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Solution

The fourth proportional to 117,616.60, 175,536 and 106,266.36 is: 158,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.60 : 175,536 = 106,266.36 : x
  2. Step 2: Convert to fraction form
    117,616.60/175,536 = 106,266.36/x
  3. Step 3: Cross multiply
    117,616.60x = 175,536 × 106,266.36
  4. Step 4: Simplify right side
    117,616.60x = 18,653,571,768.96
  5. Step 5: Solve for x
    x = 18,653,571,768.96/117,616.60
  6. Step 6: Final answer
    x = 158,596.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.