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Finding the Fourth Proportional to 197,475, 272,515.68 and 108,051

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Solution

The fourth proportional to 197,475, 272,515.68 and 108,051 is: 149,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,475 : 272,515.68 = 108,051 : x
  2. Step 2: Convert to fraction form
    197,475/272,515.68 = 108,051/x
  3. Step 3: Cross multiply
    197,475x = 272,515.68 × 108,051
  4. Step 4: Simplify right side
    197,475x = 29,445,591,739.68
  5. Step 5: Solve for x
    x = 29,445,591,739.68/197,475
  6. Step 6: Final answer
    x = 149,110.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.