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Finding the Fourth Proportional to 188,645.57, 282,937.60 and 55,494.70

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Solution

The fourth proportional to 188,645.57, 282,937.60 and 55,494.70 is: 83,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,645.57 : 282,937.60 = 55,494.70 : x
  2. Step 2: Convert to fraction form
    188,645.57/282,937.60 = 55,494.70/x
  3. Step 3: Cross multiply
    188,645.57x = 282,937.60 × 55,494.70
  4. Step 4: Simplify right side
    188,645.57x = 15,701,537,230.72
  5. Step 5: Solve for x
    x = 15,701,537,230.72/188,645.57
  6. Step 6: Final answer
    x = 83,233.00

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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.