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Finding the Fourth Proportional to 156,951.35, 235,408.80 and 44,648.90

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Solution

The fourth proportional to 156,951.35, 235,408.80 and 44,648.90 is: 66,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.35 : 235,408.80 = 44,648.90 : x
  2. Step 2: Convert to fraction form
    156,951.35/235,408.80 = 44,648.90/x
  3. Step 3: Cross multiply
    156,951.35x = 235,408.80 × 44,648.90
  4. Step 4: Simplify right side
    156,951.35x = 10,510,743,970.32
  5. Step 5: Solve for x
    x = 10,510,743,970.32/156,951.35
  6. Step 6: Final answer
    x = 66,968.17

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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.