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Finding the Fourth Proportional to 216,692.54, 325,083.14 and 74,519.36

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Solution

The fourth proportional to 216,692.54, 325,083.14 and 74,519.36 is: 111,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,692.54 : 325,083.14 = 74,519.36 : x
  2. Step 2: Convert to fraction form
    216,692.54/325,083.14 = 74,519.36/x
  3. Step 3: Cross multiply
    216,692.54x = 325,083.14 × 74,519.36
  4. Step 4: Simplify right side
    216,692.54x = 24,224,987,539.59
  5. Step 5: Solve for x
    x = 24,224,987,539.59/216,692.54
  6. Step 6: Final answer
    x = 111,794.28

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1.5x scale

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.