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Finding the Fourth Proportional to 293,661.76, 440,521.72 and 93,932

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Solution

The fourth proportional to 293,661.76, 440,521.72 and 93,932 is: 140,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,661.76 : 440,521.72 = 93,932 : x
  2. Step 2: Convert to fraction form
    293,661.76/440,521.72 = 93,932/x
  3. Step 3: Cross multiply
    293,661.76x = 440,521.72 × 93,932
  4. Step 4: Simplify right side
    293,661.76x = 41,379,086,203.04
  5. Step 5: Solve for x
    x = 41,379,086,203.04/293,661.76
  6. Step 6: Final answer
    x = 140,907.30

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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.