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Finding the Fourth Proportional to 348,988.54, 523,420.52 and 92,822.56

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Solution

The fourth proportional to 348,988.54, 523,420.52 and 92,822.56 is: 139,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,988.54 : 523,420.52 = 92,822.56 : x
  2. Step 2: Convert to fraction form
    348,988.54/523,420.52 = 92,822.56/x
  3. Step 3: Cross multiply
    348,988.54x = 523,420.52 × 92,822.56
  4. Step 4: Simplify right side
    348,988.54x = 48,585,232,622.93
  5. Step 5: Solve for x
    x = 48,585,232,622.93/348,988.54
  6. Step 6: Final answer
    x = 139,217.27

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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.