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Finding the Fourth Proportional to 125,262.78, 187,954.38 and 58,692.12

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Solution

The fourth proportional to 125,262.78, 187,954.38 and 58,692.12 is: 88,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,262.78 : 187,954.38 = 58,692.12 : x
  2. Step 2: Convert to fraction form
    125,262.78/187,954.38 = 58,692.12/x
  3. Step 3: Cross multiply
    125,262.78x = 187,954.38 × 58,692.12
  4. Step 4: Simplify right side
    125,262.78x = 11,031,441,025.49
  5. Step 5: Solve for x
    x = 11,031,441,025.49/125,262.78
  6. Step 6: Final answer
    x = 88,066.39

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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.