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Finding the Fourth Proportional to 84,589.28, 116,731.88 and 46,348.52

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Solution

The fourth proportional to 84,589.28, 116,731.88 and 46,348.52 is: 63,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.28 : 116,731.88 = 46,348.52 : x
  2. Step 2: Convert to fraction form
    84,589.28/116,731.88 = 46,348.52/x
  3. Step 3: Cross multiply
    84,589.28x = 116,731.88 × 46,348.52
  4. Step 4: Simplify right side
    84,589.28x = 5,410,349,874.82
  5. Step 5: Solve for x
    x = 5,410,349,874.82/84,589.28
  6. Step 6: Final answer
    x = 63,960.23

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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.