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Finding the Fourth Proportional to 188,032.92, 259,480.98 and 103,149.24

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Solution

The fourth proportional to 188,032.92, 259,480.98 and 103,149.24 is: 142,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,032.92 : 259,480.98 = 103,149.24 : x
  2. Step 2: Convert to fraction form
    188,032.92/259,480.98 = 103,149.24/x
  3. Step 3: Cross multiply
    188,032.92x = 259,480.98 × 103,149.24
  4. Step 4: Simplify right side
    188,032.92x = 26,765,265,881.46
  5. Step 5: Solve for x
    x = 26,765,265,881.46/188,032.92
  6. Step 6: Final answer
    x = 142,343.51

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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.