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Finding the Fourth Proportional to 132,709, 183,138.44 and 73,093

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Solution

The fourth proportional to 132,709, 183,138.44 and 73,093 is: 100,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,709 : 183,138.44 = 73,093 : x
  2. Step 2: Convert to fraction form
    132,709/183,138.44 = 73,093/x
  3. Step 3: Cross multiply
    132,709x = 183,138.44 × 73,093
  4. Step 4: Simplify right side
    132,709x = 13,386,137,994.92
  5. Step 5: Solve for x
    x = 13,386,137,994.92/132,709
  6. Step 6: Final answer
    x = 100,868.35

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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.