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Finding the Fourth Proportional to 104,038.44, 155,983.14 and 44,070.96

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Solution

The fourth proportional to 104,038.44, 155,983.14 and 44,070.96 is: 66,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.44 : 155,983.14 = 44,070.96 : x
  2. Step 2: Convert to fraction form
    104,038.44/155,983.14 = 44,070.96/x
  3. Step 3: Cross multiply
    104,038.44x = 155,983.14 × 44,070.96
  4. Step 4: Simplify right side
    104,038.44x = 6,874,326,723.61
  5. Step 5: Solve for x
    x = 6,874,326,723.61/104,038.44
  6. Step 6: Final answer
    x = 66,074.87

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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.