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Finding the Fourth Proportional to 104,679.84, 156,996.15 and 29,798.32

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Solution

The fourth proportional to 104,679.84, 156,996.15 and 29,798.32 is: 44,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,679.84 : 156,996.15 = 29,798.32 : x
  2. Step 2: Convert to fraction form
    104,679.84/156,996.15 = 29,798.32/x
  3. Step 3: Cross multiply
    104,679.84x = 156,996.15 × 29,798.32
  4. Step 4: Simplify right side
    104,679.84x = 4,678,221,516.47
  5. Step 5: Solve for x
    x = 4,678,221,516.47/104,679.84
  6. Step 6: Final answer
    x = 44,690.76

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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.