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Finding the Fourth Proportional to 104,303.25, 156,463.79 and 29,424.15

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Solution

The fourth proportional to 104,303.25, 156,463.79 and 29,424.15 is: 44,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,303.25 : 156,463.79 = 29,424.15 : x
  2. Step 2: Convert to fraction form
    104,303.25/156,463.79 = 29,424.15/x
  3. Step 3: Cross multiply
    104,303.25x = 156,463.79 × 29,424.15
  4. Step 4: Simplify right side
    104,303.25x = 4,603,813,879.41
  5. Step 5: Solve for x
    x = 4,603,813,879.41/104,303.25
  6. Step 6: Final answer
    x = 44,138.74

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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.