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Finding the Fourth Proportional to 86,060.44, 118,730.22 and 63,453.20

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Solution

The fourth proportional to 86,060.44, 118,730.22 and 63,453.20 is: 87,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.44 : 118,730.22 = 63,453.20 : x
  2. Step 2: Convert to fraction form
    86,060.44/118,730.22 = 63,453.20/x
  3. Step 3: Cross multiply
    86,060.44x = 118,730.22 × 63,453.20
  4. Step 4: Simplify right side
    86,060.44x = 7,533,812,395.70
  5. Step 5: Solve for x
    x = 7,533,812,395.70/86,060.44
  6. Step 6: Final answer
    x = 87,540.95

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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.