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Finding the Fourth Proportional to 188,230.76, 259,727.80 and 107,645.32

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Solution

The fourth proportional to 188,230.76, 259,727.80 and 107,645.32 is: 148,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,230.76 : 259,727.80 = 107,645.32 : x
  2. Step 2: Convert to fraction form
    188,230.76/259,727.80 = 107,645.32/x
  3. Step 3: Cross multiply
    188,230.76x = 259,727.80 × 107,645.32
  4. Step 4: Simplify right side
    188,230.76x = 27,958,482,143.90
  5. Step 5: Solve for x
    x = 27,958,482,143.90/188,230.76
  6. Step 6: Final answer
    x = 148,533.01

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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.