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Finding the Fourth Proportional to 188,227.92, 259,758.72 and 103,345.32

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Solution

The fourth proportional to 188,227.92, 259,758.72 and 103,345.32 is: 142,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,227.92 : 259,758.72 = 103,345.32 : x
  2. Step 2: Convert to fraction form
    188,227.92/259,758.72 = 103,345.32/x
  3. Step 3: Cross multiply
    188,227.92x = 259,758.72 × 103,345.32
  4. Step 4: Simplify right side
    188,227.92x = 26,844,848,041.19
  5. Step 5: Solve for x
    x = 26,844,848,041.19/188,227.92
  6. Step 6: Final answer
    x = 142,618.84

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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.