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Finding the Fourth Proportional to 188,230.52, 259,660.14 and 152,460.92

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Solution

The fourth proportional to 188,230.52, 259,660.14 and 152,460.92 is: 210,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,230.52 : 259,660.14 = 152,460.92 : x
  2. Step 2: Convert to fraction form
    188,230.52/259,660.14 = 152,460.92/x
  3. Step 3: Cross multiply
    188,230.52x = 259,660.14 × 152,460.92
  4. Step 4: Simplify right side
    188,230.52x = 39,588,023,831.73
  5. Step 5: Solve for x
    x = 39,588,023,831.73/188,230.52
  6. Step 6: Final answer
    x = 210,316.71

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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.