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Finding the Fourth Proportional to 188,500.50, 282,801.78 and 63,841.50

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Solution

The fourth proportional to 188,500.50, 282,801.78 and 63,841.50 is: 95,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,500.50 : 282,801.78 = 63,841.50 : x
  2. Step 2: Convert to fraction form
    188,500.50/282,801.78 = 63,841.50/x
  3. Step 3: Cross multiply
    188,500.50x = 282,801.78 × 63,841.50
  4. Step 4: Simplify right side
    188,500.50x = 18,054,489,837.87
  5. Step 5: Solve for x
    x = 18,054,489,837.87/188,500.50
  6. Step 6: Final answer
    x = 95,779.53

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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.