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Finding the Fourth Proportional to 188,231.52, 259,661.52 and 152,461.92

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Solution

The fourth proportional to 188,231.52, 259,661.52 and 152,461.92 is: 210,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.52 : 259,661.52 = 152,461.92 : x
  2. Step 2: Convert to fraction form
    188,231.52/259,661.52 = 152,461.92/x
  3. Step 3: Cross multiply
    188,231.52x = 259,661.52 × 152,461.92
  4. Step 4: Simplify right side
    188,231.52x = 39,588,493,889.32
  5. Step 5: Solve for x
    x = 39,588,493,889.32/188,231.52
  6. Step 6: Final answer
    x = 210,318.09

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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.