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Finding the Fourth Proportional to 107,353.08, 160,965.82 and 40,798.10

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Solution

The fourth proportional to 107,353.08, 160,965.82 and 40,798.10 is: 61,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,353.08 : 160,965.82 = 40,798.10 : x
  2. Step 2: Convert to fraction form
    107,353.08/160,965.82 = 40,798.10/x
  3. Step 3: Cross multiply
    107,353.08x = 160,965.82 × 40,798.10
  4. Step 4: Simplify right side
    107,353.08x = 6,567,099,620.94
  5. Step 5: Solve for x
    x = 6,567,099,620.94/107,353.08
  6. Step 6: Final answer
    x = 61,172.90

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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.