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Finding the Fourth Proportional to 348,785.92, 523,165.11 and 99,467.92

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Solution

The fourth proportional to 348,785.92, 523,165.11 and 99,467.92 is: 149,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,785.92 : 523,165.11 = 99,467.92 : x
  2. Step 2: Convert to fraction form
    348,785.92/523,165.11 = 99,467.92/x
  3. Step 3: Cross multiply
    348,785.92x = 523,165.11 × 99,467.92
  4. Step 4: Simplify right side
    348,785.92x = 52,038,145,308.27
  5. Step 5: Solve for x
    x = 52,038,145,308.27/348,785.92
  6. Step 6: Final answer
    x = 149,197.95

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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.