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Finding the Fourth Proportional to 131,059.08, 180,856.17 and 73,696.77

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Solution

The fourth proportional to 131,059.08, 180,856.17 and 73,696.77 is: 101,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,059.08 : 180,856.17 = 73,696.77 : x
  2. Step 2: Convert to fraction form
    131,059.08/180,856.17 = 73,696.77/x
  3. Step 3: Cross multiply
    131,059.08x = 180,856.17 × 73,696.77
  4. Step 4: Simplify right side
    131,059.08x = 13,328,515,563.57
  5. Step 5: Solve for x
    x = 13,328,515,563.57/131,059.08
  6. Step 6: Final answer
    x = 101,698.53

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1.5x scale

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.