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Finding the Fourth Proportional to 318,692.44, 478,051.92 and 94,052.92

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Solution

The fourth proportional to 318,692.44, 478,051.92 and 94,052.92 is: 141,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,692.44 : 478,051.92 = 94,052.92 : x
  2. Step 2: Convert to fraction form
    318,692.44/478,051.92 = 94,052.92/x
  3. Step 3: Cross multiply
    318,692.44x = 478,051.92 × 94,052.92
  4. Step 4: Simplify right side
    318,692.44x = 44,962,178,987.61
  5. Step 5: Solve for x
    x = 44,962,178,987.61/318,692.44
  6. Step 6: Final answer
    x = 141,083.29

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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.