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Finding the Fourth Proportional to 235,832.16, 325,431.94 and 133,859.70

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Solution

The fourth proportional to 235,832.16, 325,431.94 and 133,859.70 is: 184,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,832.16 : 325,431.94 = 133,859.70 : x
  2. Step 2: Convert to fraction form
    235,832.16/325,431.94 = 133,859.70/x
  3. Step 3: Cross multiply
    235,832.16x = 325,431.94 × 133,859.70
  4. Step 4: Simplify right side
    235,832.16x = 43,562,221,858.82
  5. Step 5: Solve for x
    x = 43,562,221,858.82/235,832.16
  6. Step 6: Final answer
    x = 184,717.05

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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.