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Finding the Fourth Proportional to 79,573.59, 109,804.41 and 43,765.11

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Solution

The fourth proportional to 79,573.59, 109,804.41 and 43,765.11 is: 60,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,573.59 : 109,804.41 = 43,765.11 : x
  2. Step 2: Convert to fraction form
    79,573.59/109,804.41 = 43,765.11/x
  3. Step 3: Cross multiply
    79,573.59x = 109,804.41 × 43,765.11
  4. Step 4: Simplify right side
    79,573.59x = 4,805,602,082.14
  5. Step 5: Solve for x
    x = 4,805,602,082.14/79,573.59
  6. Step 6: Final answer
    x = 60,391.92

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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.