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Finding the Fourth Proportional to 132,630, 183,029.46 and 73,014

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Solution

The fourth proportional to 132,630, 183,029.46 and 73,014 is: 100,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630 : 183,029.46 = 73,014 : x
  2. Step 2: Convert to fraction form
    132,630/183,029.46 = 73,014/x
  3. Step 3: Cross multiply
    132,630x = 183,029.46 × 73,014
  4. Step 4: Simplify right side
    132,630x = 13,363,712,992.44
  5. Step 5: Solve for x
    x = 13,363,712,992.44/132,630
  6. Step 6: Final answer
    x = 100,759.35

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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.