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Finding the Fourth Proportional to 263,173.42, 394,756.47 and 63,492.12

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Solution

The fourth proportional to 263,173.42, 394,756.47 and 63,492.12 is: 95,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,173.42 : 394,756.47 = 63,492.12 : x
  2. Step 2: Convert to fraction form
    263,173.42/394,756.47 = 63,492.12/x
  3. Step 3: Cross multiply
    263,173.42x = 394,756.47 × 63,492.12
  4. Step 4: Simplify right side
    263,173.42x = 25,063,925,164.02
  5. Step 5: Solve for x
    x = 25,063,925,164.02/263,173.42
  6. Step 6: Final answer
    x = 95,237.30

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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.