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Finding the Fourth Proportional to 169,813.80, 234,270.36 and 106,040.88

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Solution

The fourth proportional to 169,813.80, 234,270.36 and 106,040.88 is: 146,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,813.80 : 234,270.36 = 106,040.88 : x
  2. Step 2: Convert to fraction form
    169,813.80/234,270.36 = 106,040.88/x
  3. Step 3: Cross multiply
    169,813.80x = 234,270.36 × 106,040.88
  4. Step 4: Simplify right side
    169,813.80x = 24,842,235,132.32
  5. Step 5: Solve for x
    x = 24,842,235,132.32/169,813.80
  6. Step 6: Final answer
    x = 146,291.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.