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Finding the Fourth Proportional to 235,435, 324,828.48 and 133,444.12

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Solution

The fourth proportional to 235,435, 324,828.48 and 133,444.12 is: 184,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,435 : 324,828.48 = 133,444.12 : x
  2. Step 2: Convert to fraction form
    235,435/324,828.48 = 133,444.12/x
  3. Step 3: Cross multiply
    235,435x = 324,828.48 × 133,444.12
  4. Step 4: Simplify right side
    235,435x = 43,346,450,664.54
  5. Step 5: Solve for x
    x = 43,346,450,664.54/235,435
  6. Step 6: Final answer
    x = 184,112.18

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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.