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Finding the Fourth Proportional to 132,619, 183,014.58 and 73,003

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Solution

The fourth proportional to 132,619, 183,014.58 and 73,003 is: 100,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619 : 183,014.58 = 73,003 : x
  2. Step 2: Convert to fraction form
    132,619/183,014.58 = 73,003/x
  3. Step 3: Cross multiply
    132,619x = 183,014.58 × 73,003
  4. Step 4: Simplify right side
    132,619x = 13,360,613,383.74
  5. Step 5: Solve for x
    x = 13,360,613,383.74/132,619
  6. Step 6: Final answer
    x = 100,744.34

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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.