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Finding the Fourth Proportional to 263,347.62, 395,242.65 and 113,701.02

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Solution

The fourth proportional to 263,347.62, 395,242.65 and 113,701.02 is: 170,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,347.62 : 395,242.65 = 113,701.02 : x
  2. Step 2: Convert to fraction form
    263,347.62/395,242.65 = 113,701.02/x
  3. Step 3: Cross multiply
    263,347.62x = 395,242.65 × 113,701.02
  4. Step 4: Simplify right side
    263,347.62x = 44,939,492,452.50
  5. Step 5: Solve for x
    x = 44,939,492,452.50/263,347.62
  6. Step 6: Final answer
    x = 170,647.04

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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.