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Finding the Fourth Proportional to 92,516.77, 127,668.31 and 54,271

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Solution

The fourth proportional to 92,516.77, 127,668.31 and 54,271 is: 74,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516.77 : 127,668.31 = 54,271 : x
  2. Step 2: Convert to fraction form
    92,516.77/127,668.31 = 54,271/x
  3. Step 3: Cross multiply
    92,516.77x = 127,668.31 × 54,271
  4. Step 4: Simplify right side
    92,516.77x = 6,928,686,852.01
  5. Step 5: Solve for x
    x = 6,928,686,852.01/92,516.77
  6. Step 6: Final answer
    x = 74,891.15

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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.