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Finding the Fourth Proportional to 250,401.49, 375,749.85 and 92,740.66

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Solution

The fourth proportional to 250,401.49, 375,749.85 and 92,740.66 is: 139,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,401.49 : 375,749.85 = 92,740.66 : x
  2. Step 2: Convert to fraction form
    250,401.49/375,749.85 = 92,740.66/x
  3. Step 3: Cross multiply
    250,401.49x = 375,749.85 × 92,740.66
  4. Step 4: Simplify right side
    250,401.49x = 34,847,289,083.90
  5. Step 5: Solve for x
    x = 34,847,289,083.90/250,401.49
  6. Step 6: Final answer
    x = 139,165.66

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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.