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Finding the Fourth Proportional to 78,883.44, 118,326.18 and 22,724.46

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Solution

The fourth proportional to 78,883.44, 118,326.18 and 22,724.46 is: 34,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883.44 : 118,326.18 = 22,724.46 : x
  2. Step 2: Convert to fraction form
    78,883.44/118,326.18 = 22,724.46/x
  3. Step 3: Cross multiply
    78,883.44x = 118,326.18 × 22,724.46
  4. Step 4: Simplify right side
    78,883.44x = 2,688,898,544.36
  5. Step 5: Solve for x
    x = 2,688,898,544.36/78,883.44
  6. Step 6: Final answer
    x = 34,086.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.