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Finding the Fourth Proportional to 79,856.64, 110,198.43 and 45,841.50

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Solution

The fourth proportional to 79,856.64, 110,198.43 and 45,841.50 is: 63,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,856.64 : 110,198.43 = 45,841.50 : x
  2. Step 2: Convert to fraction form
    79,856.64/110,198.43 = 45,841.50/x
  3. Step 3: Cross multiply
    79,856.64x = 110,198.43 × 45,841.50
  4. Step 4: Simplify right side
    79,856.64x = 5,051,661,328.85
  5. Step 5: Solve for x
    x = 5,051,661,328.85/79,856.64
  6. Step 6: Final answer
    x = 63,259.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.