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Finding the Fourth Proportional to 234,692.62, 352,066.41 and 74,712.50

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Solution

The fourth proportional to 234,692.62, 352,066.41 and 74,712.50 is: 112,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,692.62 : 352,066.41 = 74,712.50 : x
  2. Step 2: Convert to fraction form
    234,692.62/352,066.41 = 74,712.50/x
  3. Step 3: Cross multiply
    234,692.62x = 352,066.41 × 74,712.50
  4. Step 4: Simplify right side
    234,692.62x = 26,303,762,537.29
  5. Step 5: Solve for x
    x = 26,303,762,537.29/234,692.62
  6. Step 6: Final answer
    x = 112,077.50

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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.