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Finding the Fourth Proportional to 235,414.01, 324,864.57 and 133,448.90

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Solution

The fourth proportional to 235,414.01, 324,864.57 and 133,448.90 is: 184,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,414.01 : 324,864.57 = 133,448.90 : x
  2. Step 2: Convert to fraction form
    235,414.01/324,864.57 = 133,448.90/x
  3. Step 3: Cross multiply
    235,414.01x = 324,864.57 × 133,448.90
  4. Step 4: Simplify right side
    235,414.01x = 43,352,819,515.47
  5. Step 5: Solve for x
    x = 43,352,819,515.47/235,414.01
  6. Step 6: Final answer
    x = 184,155.65

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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.