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Finding the Fourth Proportional to 188,692.60, 282,978.66 and 62,309.32

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Solution

The fourth proportional to 188,692.60, 282,978.66 and 62,309.32 is: 93,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,692.60 : 282,978.66 = 62,309.32 : x
  2. Step 2: Convert to fraction form
    188,692.60/282,978.66 = 62,309.32/x
  3. Step 3: Cross multiply
    188,692.60x = 282,978.66 × 62,309.32
  4. Step 4: Simplify right side
    188,692.60x = 17,632,207,879.11
  5. Step 5: Solve for x
    x = 17,632,207,879.11/188,692.60
  6. Step 6: Final answer
    x = 93,444.09

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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.