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Finding the Fourth Proportional to 197,352.25, 272,352.59 and 107,928.25

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Solution

The fourth proportional to 197,352.25, 272,352.59 and 107,928.25 is: 148,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,352.25 : 272,352.59 = 107,928.25 : x
  2. Step 2: Convert to fraction form
    197,352.25/272,352.59 = 107,928.25/x
  3. Step 3: Cross multiply
    197,352.25x = 272,352.59 × 107,928.25
  4. Step 4: Simplify right side
    197,352.25x = 29,394,537,882.03
  5. Step 5: Solve for x
    x = 29,394,537,882.03/197,352.25
  6. Step 6: Final answer
    x = 148,944.53

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1.5x scale

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.