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Finding the Fourth Proportional to 130,382.56, 179,915.83 and 73,793.94

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Solution

The fourth proportional to 130,382.56, 179,915.83 and 73,793.94 is: 101,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,382.56 : 179,915.83 = 73,793.94 : x
  2. Step 2: Convert to fraction form
    130,382.56/179,915.83 = 73,793.94/x
  3. Step 3: Cross multiply
    130,382.56x = 179,915.83 × 73,793.94
  4. Step 4: Simplify right side
    130,382.56x = 13,276,697,519.99
  5. Step 5: Solve for x
    x = 13,276,697,519.99/130,382.56
  6. Step 6: Final answer
    x = 101,828.78

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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.