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Finding the Fourth Proportional to 104,348.59, 156,490.04 and 34,211.50

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Solution

The fourth proportional to 104,348.59, 156,490.04 and 34,211.50 is: 51,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.59 : 156,490.04 = 34,211.50 : x
  2. Step 2: Convert to fraction form
    104,348.59/156,490.04 = 34,211.50/x
  3. Step 3: Cross multiply
    104,348.59x = 156,490.04 × 34,211.50
  4. Step 4: Simplify right side
    104,348.59x = 5,353,758,832.40
  5. Step 5: Solve for x
    x = 5,353,758,832.40/104,348.59
  6. Step 6: Final answer
    x = 51,306.48

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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.