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Finding the Fourth Proportional to 292,593.89, 438,906.02 and 92,929.90

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Solution

The fourth proportional to 292,593.89, 438,906.02 and 92,929.90 is: 139,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,593.89 : 438,906.02 = 92,929.90 : x
  2. Step 2: Convert to fraction form
    292,593.89/438,906.02 = 92,929.90/x
  3. Step 3: Cross multiply
    292,593.89x = 438,906.02 × 92,929.90
  4. Step 4: Simplify right side
    292,593.89x = 40,787,491,683.06
  5. Step 5: Solve for x
    x = 40,787,491,683.06/292,593.89
  6. Step 6: Final answer
    x = 139,399.67

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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.