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Finding the Fourth Proportional to 188,487.96, 282,732.06 and 88,574.84

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Solution

The fourth proportional to 188,487.96, 282,732.06 and 88,574.84 is: 132,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,487.96 : 282,732.06 = 88,574.84 : x
  2. Step 2: Convert to fraction form
    188,487.96/282,732.06 = 88,574.84/x
  3. Step 3: Cross multiply
    188,487.96x = 282,732.06 × 88,574.84
  4. Step 4: Simplify right side
    188,487.96x = 25,042,946,977.37
  5. Step 5: Solve for x
    x = 25,042,946,977.37/188,487.96
  6. Step 6: Final answer
    x = 132,862.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.