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Finding the Fourth Proportional to 188,338.93, 282,552.80 and 61,989.10

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Solution

The fourth proportional to 188,338.93, 282,552.80 and 61,989.10 is: 92,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,338.93 : 282,552.80 = 61,989.10 : x
  2. Step 2: Convert to fraction form
    188,338.93/282,552.80 = 61,989.10/x
  3. Step 3: Cross multiply
    188,338.93x = 282,552.80 × 61,989.10
  4. Step 4: Simplify right side
    188,338.93x = 17,515,193,774.48
  5. Step 5: Solve for x
    x = 17,515,193,774.48/188,338.93
  6. Step 6: Final answer
    x = 92,998.27

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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.