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Finding the Fourth Proportional to 124,060.80, 186,058.08 and 53,923.44

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Solution

The fourth proportional to 124,060.80, 186,058.08 and 53,923.44 is: 80,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.80 : 186,058.08 = 53,923.44 : x
  2. Step 2: Convert to fraction form
    124,060.80/186,058.08 = 53,923.44/x
  3. Step 3: Cross multiply
    124,060.80x = 186,058.08 × 53,923.44
  4. Step 4: Simplify right side
    124,060.80x = 10,032,891,713.40
  5. Step 5: Solve for x
    x = 10,032,891,713.40/124,060.80
  6. Step 6: Final answer
    x = 80,870.76

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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.