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Finding the Fourth Proportional to 126,635.37, 175,555.97 and 119,894.01

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Solution

The fourth proportional to 126,635.37, 175,555.97 and 119,894.01 is: 166,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,635.37 : 175,555.97 = 119,894.01 : x
  2. Step 2: Convert to fraction form
    126,635.37/175,555.97 = 119,894.01/x
  3. Step 3: Cross multiply
    126,635.37x = 175,555.97 × 119,894.01
  4. Step 4: Simplify right side
    126,635.37x = 21,048,109,522.47
  5. Step 5: Solve for x
    x = 21,048,109,522.47/126,635.37
  6. Step 6: Final answer
    x = 166,210.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.