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Finding the Fourth Proportional to 104,479, 156,718.16 and 37,919.04

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Solution

The fourth proportional to 104,479, 156,718.16 and 37,919.04 is: 56,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479 : 156,718.16 = 37,919.04 : x
  2. Step 2: Convert to fraction form
    104,479/156,718.16 = 37,919.04/x
  3. Step 3: Cross multiply
    104,479x = 156,718.16 × 37,919.04
  4. Step 4: Simplify right side
    104,479x = 5,942,602,177.77
  5. Step 5: Solve for x
    x = 5,942,602,177.77/104,479
  6. Step 6: Final answer
    x = 56,878.44

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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.