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Finding the Fourth Proportional to 79,584, 109,818.72 and 43,775.52

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Solution

The fourth proportional to 79,584, 109,818.72 and 43,775.52 is: 60,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,584 : 109,818.72 = 43,775.52 : x
  2. Step 2: Convert to fraction form
    79,584/109,818.72 = 43,775.52/x
  3. Step 3: Cross multiply
    79,584x = 109,818.72 × 43,775.52
  4. Step 4: Simplify right side
    79,584x = 4,807,371,573.73
  5. Step 5: Solve for x
    x = 4,807,371,573.73/79,584
  6. Step 6: Final answer
    x = 60,406.26

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