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Finding the Fourth Proportional to 130,166.44, 179,622.66 and 73,574.44

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Solution

The fourth proportional to 130,166.44, 179,622.66 and 73,574.44 is: 101,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166.44 : 179,622.66 = 73,574.44 : x
  2. Step 2: Convert to fraction form
    130,166.44/179,622.66 = 73,574.44/x
  3. Step 3: Cross multiply
    130,166.44x = 179,622.66 × 73,574.44
  4. Step 4: Simplify right side
    130,166.44x = 13,215,636,620.81
  5. Step 5: Solve for x
    x = 13,215,636,620.81/130,166.44
  6. Step 6: Final answer
    x = 101,528.76

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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.