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Finding the Fourth Proportional to 79,896.60, 110,244.47 and 45,437.69

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Solution

The fourth proportional to 79,896.60, 110,244.47 and 45,437.69 is: 62,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.60 : 110,244.47 = 45,437.69 : x
  2. Step 2: Convert to fraction form
    79,896.60/110,244.47 = 45,437.69/x
  3. Step 3: Cross multiply
    79,896.60x = 110,244.47 × 45,437.69
  4. Step 4: Simplify right side
    79,896.60x = 5,009,254,100.50
  5. Step 5: Solve for x
    x = 5,009,254,100.50/79,896.60
  6. Step 6: Final answer
    x = 62,696.71

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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.