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Finding the Fourth Proportional to 182,485.80, 273,728.70 and 132,330.60

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Solution

The fourth proportional to 182,485.80, 273,728.70 and 132,330.60 is: 198,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,485.80 : 273,728.70 = 132,330.60 : x
  2. Step 2: Convert to fraction form
    182,485.80/273,728.70 = 132,330.60/x
  3. Step 3: Cross multiply
    182,485.80x = 273,728.70 × 132,330.60
  4. Step 4: Simplify right side
    182,485.80x = 36,222,683,108.22
  5. Step 5: Solve for x
    x = 36,222,683,108.22/182,485.80
  6. Step 6: Final answer
    x = 198,495.90

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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.