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Finding the Fourth Proportional to 114,162.44, 157,575.84 and 66,425.02

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Solution

The fourth proportional to 114,162.44, 157,575.84 and 66,425.02 is: 91,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,162.44 : 157,575.84 = 66,425.02 : x
  2. Step 2: Convert to fraction form
    114,162.44/157,575.84 = 66,425.02/x
  3. Step 3: Cross multiply
    114,162.44x = 157,575.84 × 66,425.02
  4. Step 4: Simplify right side
    114,162.44x = 10,466,978,323.52
  5. Step 5: Solve for x
    x = 10,466,978,323.52/114,162.44
  6. Step 6: Final answer
    x = 91,684.96

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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.