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Finding the Fourth Proportional to 234,039.66, 322,949.07 and 133,437.66

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Solution

The fourth proportional to 234,039.66, 322,949.07 and 133,437.66 is: 184,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,039.66 : 322,949.07 = 133,437.66 : x
  2. Step 2: Convert to fraction form
    234,039.66/322,949.07 = 133,437.66/x
  3. Step 3: Cross multiply
    234,039.66x = 322,949.07 × 133,437.66
  4. Step 4: Simplify right side
    234,039.66x = 43,093,568,199.98
  5. Step 5: Solve for x
    x = 43,093,568,199.98/234,039.66
  6. Step 6: Final answer
    x = 184,129.34

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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.