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Finding the Fourth Proportional to 235,097.42, 324,454.54 and 133,140.90

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Solution

The fourth proportional to 235,097.42, 324,454.54 and 133,140.90 is: 183,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,097.42 : 324,454.54 = 133,140.90 : x
  2. Step 2: Convert to fraction form
    235,097.42/324,454.54 = 133,140.90/x
  3. Step 3: Cross multiply
    235,097.42x = 324,454.54 × 133,140.90
  4. Step 4: Simplify right side
    235,097.42x = 43,198,169,464.69
  5. Step 5: Solve for x
    x = 43,198,169,464.69/235,097.42
  6. Step 6: Final answer
    x = 183,745.83

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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.