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Finding the Fourth Proportional to 335,443.20, 503,164.80 and 125,053.80

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Solution

The fourth proportional to 335,443.20, 503,164.80 and 125,053.80 is: 187,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,443.20 : 503,164.80 = 125,053.80 : x
  2. Step 2: Convert to fraction form
    335,443.20/503,164.80 = 125,053.80/x
  3. Step 3: Cross multiply
    335,443.20x = 503,164.80 × 125,053.80
  4. Step 4: Simplify right side
    335,443.20x = 62,922,670,266.24
  5. Step 5: Solve for x
    x = 62,922,670,266.24/335,443.20
  6. Step 6: Final answer
    x = 187,580.70

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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.