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Finding the Fourth Proportional to 188,692.20, 282,978.32 and 62,308.89

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Solution

The fourth proportional to 188,692.20, 282,978.32 and 62,308.89 is: 93,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,692.20 : 282,978.32 = 62,308.89 : x
  2. Step 2: Convert to fraction form
    188,692.20/282,978.32 = 62,308.89/x
  3. Step 3: Cross multiply
    188,692.20x = 282,978.32 × 62,308.89
  4. Step 4: Simplify right side
    188,692.20x = 17,632,064,701.72
  5. Step 5: Solve for x
    x = 17,632,064,701.72/188,692.20
  6. Step 6: Final answer
    x = 93,443.53

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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.