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Finding the Fourth Proportional to 322,002.01, 483,224.47 and 111,639.95

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Solution

The fourth proportional to 322,002.01, 483,224.47 and 111,639.95 is: 167,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,002.01 : 483,224.47 = 111,639.95 : x
  2. Step 2: Convert to fraction form
    322,002.01/483,224.47 = 111,639.95/x
  3. Step 3: Cross multiply
    322,002.01x = 483,224.47 × 111,639.95
  4. Step 4: Simplify right side
    322,002.01x = 53,947,155,669.58
  5. Step 5: Solve for x
    x = 53,947,155,669.58/322,002.01
  6. Step 6: Final answer
    x = 167,536.70

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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.