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Finding the Fourth Proportional to 335,870.52, 503,616.12 and 125,422.80

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Solution

The fourth proportional to 335,870.52, 503,616.12 and 125,422.80 is: 188,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,870.52 : 503,616.12 = 125,422.80 : x
  2. Step 2: Convert to fraction form
    335,870.52/503,616.12 = 125,422.80/x
  3. Step 3: Cross multiply
    335,870.52x = 503,616.12 × 125,422.80
  4. Step 4: Simplify right side
    335,870.52x = 63,164,943,895.54
  5. Step 5: Solve for x
    x = 63,164,943,895.54/335,870.52
  6. Step 6: Final answer
    x = 188,063.38

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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.