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Finding the Fourth Proportional to 132,947, 183,466.86 and 73,331

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Solution

The fourth proportional to 132,947, 183,466.86 and 73,331 is: 101,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947 : 183,466.86 = 73,331 : x
  2. Step 2: Convert to fraction form
    132,947/183,466.86 = 73,331/x
  3. Step 3: Cross multiply
    132,947x = 183,466.86 × 73,331
  4. Step 4: Simplify right side
    132,947x = 13,453,808,310.66
  5. Step 5: Solve for x
    x = 13,453,808,310.66/132,947
  6. Step 6: Final answer
    x = 101,196.78

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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.