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Finding the Fourth Proportional to 179,644.70, 269,445.45 and 74,452.70

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Solution

The fourth proportional to 179,644.70, 269,445.45 and 74,452.70 is: 111,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,644.70 : 269,445.45 = 74,452.70 : x
  2. Step 2: Convert to fraction form
    179,644.70/269,445.45 = 74,452.70/x
  3. Step 3: Cross multiply
    179,644.70x = 269,445.45 × 74,452.70
  4. Step 4: Simplify right side
    179,644.70x = 20,060,941,255.22
  5. Step 5: Solve for x
    x = 20,060,941,255.22/179,644.70
  6. Step 6: Final answer
    x = 111,670.10

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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.