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Finding the Fourth Proportional to 348,086.63, 522,206.49 and 111,453.23

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Solution

The fourth proportional to 348,086.63, 522,206.49 and 111,453.23 is: 167,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,086.63 : 522,206.49 = 111,453.23 : x
  2. Step 2: Convert to fraction form
    348,086.63/522,206.49 = 111,453.23/x
  3. Step 3: Cross multiply
    348,086.63x = 522,206.49 × 111,453.23
  4. Step 4: Simplify right side
    348,086.63x = 58,201,600,037.46
  5. Step 5: Solve for x
    x = 58,201,600,037.46/348,086.63
  6. Step 6: Final answer
    x = 167,204.35

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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.