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Finding the Fourth Proportional to 243,704.40, 365,556.60 and 172,845.60

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Solution

The fourth proportional to 243,704.40, 365,556.60 and 172,845.60 is: 259,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,704.40 : 365,556.60 = 172,845.60 : x
  2. Step 2: Convert to fraction form
    243,704.40/365,556.60 = 172,845.60/x
  3. Step 3: Cross multiply
    243,704.40x = 365,556.60 × 172,845.60
  4. Step 4: Simplify right side
    243,704.40x = 63,184,849,860.96
  5. Step 5: Solve for x
    x = 63,184,849,860.96/243,704.40
  6. Step 6: Final answer
    x = 259,268.40

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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.