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Finding the Fourth Proportional to 318,692.57, 478,116.09 and 94,048.04

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Solution

The fourth proportional to 318,692.57, 478,116.09 and 94,048.04 is: 141,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,692.57 : 478,116.09 = 94,048.04 : x
  2. Step 2: Convert to fraction form
    318,692.57/478,116.09 = 94,048.04/x
  3. Step 3: Cross multiply
    318,692.57x = 478,116.09 × 94,048.04
  4. Step 4: Simplify right side
    318,692.57x = 44,965,882,352.25
  5. Step 5: Solve for x
    x = 44,965,882,352.25/318,692.57
  6. Step 6: Final answer
    x = 141,094.86

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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.