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Finding the Fourth Proportional to 188,099.96, 259,581.12 and 103,224.92

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Solution

The fourth proportional to 188,099.96, 259,581.12 and 103,224.92 is: 142,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,099.96 : 259,581.12 = 103,224.92 : x
  2. Step 2: Convert to fraction form
    188,099.96/259,581.12 = 103,224.92/x
  3. Step 3: Cross multiply
    188,099.96x = 259,581.12 × 103,224.92
  4. Step 4: Simplify right side
    188,099.96x = 26,795,240,345.51
  5. Step 5: Solve for x
    x = 26,795,240,345.51/188,099.96
  6. Step 6: Final answer
    x = 142,452.13

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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.