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Finding the Fourth Proportional to 348,363.02, 522,777.54 and 126,747.02

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Solution

The fourth proportional to 348,363.02, 522,777.54 and 126,747.02 is: 190,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,363.02 : 522,777.54 = 126,747.02 : x
  2. Step 2: Convert to fraction form
    348,363.02/522,777.54 = 126,747.02/x
  3. Step 3: Cross multiply
    348,363.02x = 522,777.54 × 126,747.02
  4. Step 4: Simplify right side
    348,363.02x = 66,260,495,317.93
  5. Step 5: Solve for x
    x = 66,260,495,317.93/348,363.02
  6. Step 6: Final answer
    x = 190,205.31

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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.