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Finding the Fourth Proportional to 114,162.93, 157,576.55 and 66,425.54

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Solution

The fourth proportional to 114,162.93, 157,576.55 and 66,425.54 is: 91,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,162.93 : 157,576.55 = 66,425.54 : x
  2. Step 2: Convert to fraction form
    114,162.93/157,576.55 = 66,425.54/x
  3. Step 3: Cross multiply
    114,162.93x = 157,576.55 × 66,425.54
  4. Step 4: Simplify right side
    114,162.93x = 10,467,106,305.08
  5. Step 5: Solve for x
    x = 10,467,106,305.08/114,162.93
  6. Step 6: Final answer
    x = 91,685.68

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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.