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Finding the Fourth Proportional to 164,963.67, 247,443.34 and 40,305.75

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Solution

The fourth proportional to 164,963.67, 247,443.34 and 40,305.75 is: 60,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,963.67 : 247,443.34 = 40,305.75 : x
  2. Step 2: Convert to fraction form
    164,963.67/247,443.34 = 40,305.75/x
  3. Step 3: Cross multiply
    164,963.67x = 247,443.34 × 40,305.75
  4. Step 4: Simplify right side
    164,963.67x = 9,973,389,401.21
  5. Step 5: Solve for x
    x = 9,973,389,401.21/164,963.67
  6. Step 6: Final answer
    x = 60,458.10

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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.