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Finding the Fourth Proportional to 127,633.77, 176,173.43 and 73,932.03

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Solution

The fourth proportional to 127,633.77, 176,173.43 and 73,932.03 is: 102,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.77 : 176,173.43 = 73,932.03 : x
  2. Step 2: Convert to fraction form
    127,633.77/176,173.43 = 73,932.03/x
  3. Step 3: Cross multiply
    127,633.77x = 176,173.43 × 73,932.03
  4. Step 4: Simplify right side
    127,633.77x = 13,024,858,942.30
  5. Step 5: Solve for x
    x = 13,024,858,942.30/127,633.77
  6. Step 6: Final answer
    x = 102,048.69

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1.5x scale

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.