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Finding the Fourth Proportional to 130,165.44, 179,621.28 and 73,573.44

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Solution

The fourth proportional to 130,165.44, 179,621.28 and 73,573.44 is: 101,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,165.44 : 179,621.28 = 73,573.44 : x
  2. Step 2: Convert to fraction form
    130,165.44/179,621.28 = 73,573.44/x
  3. Step 3: Cross multiply
    130,165.44x = 179,621.28 × 73,573.44
  4. Step 4: Simplify right side
    130,165.44x = 13,215,355,466.80
  5. Step 5: Solve for x
    x = 13,215,355,466.80/130,165.44
  6. Step 6: Final answer
    x = 101,527.38

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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.