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Finding the Fourth Proportional to 293,518, 440,443.08 and 125,020.74

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Solution

The fourth proportional to 293,518, 440,443.08 and 125,020.74 is: 187,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,518 : 440,443.08 = 125,020.74 : x
  2. Step 2: Convert to fraction form
    293,518/440,443.08 = 125,020.74/x
  3. Step 3: Cross multiply
    293,518x = 440,443.08 × 125,020.74
  4. Step 4: Simplify right side
    293,518x = 55,064,519,789.48
  5. Step 5: Solve for x
    x = 55,064,519,789.48/293,518
  6. Step 6: Final answer
    x = 187,601.85

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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.