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Finding the Fourth Proportional to 79,295, 109,417.04 and 43,475.59

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Solution

The fourth proportional to 79,295, 109,417.04 and 43,475.59 is: 59,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295 : 109,417.04 = 43,475.59 : x
  2. Step 2: Convert to fraction form
    79,295/109,417.04 = 43,475.59/x
  3. Step 3: Cross multiply
    79,295x = 109,417.04 × 43,475.59
  4. Step 4: Simplify right side
    79,295x = 4,756,970,370.05
  5. Step 5: Solve for x
    x = 4,756,970,370.05/79,295
  6. Step 6: Final answer
    x = 59,990.80

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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.