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Finding the Fourth Proportional to 127,591.56, 176,076.46 and 73,879.45

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Solution

The fourth proportional to 127,591.56, 176,076.46 and 73,879.45 is: 101,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,591.56 : 176,076.46 = 73,879.45 : x
  2. Step 2: Convert to fraction form
    127,591.56/176,076.46 = 73,879.45/x
  3. Step 3: Cross multiply
    127,591.56x = 176,076.46 × 73,879.45
  4. Step 4: Simplify right side
    127,591.56x = 13,008,432,022.75
  5. Step 5: Solve for x
    x = 13,008,432,022.75/127,591.56
  6. Step 6: Final answer
    x = 101,953.70

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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.