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Finding the Fourth Proportional to 347,120.76, 520,692.60 and 119,414.10

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Solution

The fourth proportional to 347,120.76, 520,692.60 and 119,414.10 is: 179,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,120.76 : 520,692.60 = 119,414.10 : x
  2. Step 2: Convert to fraction form
    347,120.76/520,692.60 = 119,414.10/x
  3. Step 3: Cross multiply
    347,120.76x = 520,692.60 × 119,414.10
  4. Step 4: Simplify right side
    347,120.76x = 62,178,038,205.66
  5. Step 5: Solve for x
    x = 62,178,038,205.66/347,120.76
  6. Step 6: Final answer
    x = 179,125.09

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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.