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Finding the Fourth Proportional to 93,706.80, 140,608.80 and 41,121.60

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Solution

The fourth proportional to 93,706.80, 140,608.80 and 41,121.60 is: 61,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.80 : 140,608.80 = 41,121.60 : x
  2. Step 2: Convert to fraction form
    93,706.80/140,608.80 = 41,121.60/x
  3. Step 3: Cross multiply
    93,706.80x = 140,608.80 × 41,121.60
  4. Step 4: Simplify right side
    93,706.80x = 5,782,058,830.08
  5. Step 5: Solve for x
    x = 5,782,058,830.08/93,706.80
  6. Step 6: Final answer
    x = 61,703.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.