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Finding the Fourth Proportional to 348,703.92, 522,596.34 and 138,227.04

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Solution

The fourth proportional to 348,703.92, 522,596.34 and 138,227.04 is: 207,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,703.92 : 522,596.34 = 138,227.04 : x
  2. Step 2: Convert to fraction form
    348,703.92/522,596.34 = 138,227.04/x
  3. Step 3: Cross multiply
    348,703.92x = 522,596.34 × 138,227.04
  4. Step 4: Simplify right side
    348,703.92x = 72,236,945,193.03
  5. Step 5: Solve for x
    x = 72,236,945,193.03/348,703.92
  6. Step 6: Final answer
    x = 207,158.40

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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.