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Finding the Fourth Proportional to 248,980.55, 373,025.33 and 151,429.55

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Solution

The fourth proportional to 248,980.55, 373,025.33 and 151,429.55 is: 226,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,980.55 : 373,025.33 = 151,429.55 : x
  2. Step 2: Convert to fraction form
    248,980.55/373,025.33 = 151,429.55/x
  3. Step 3: Cross multiply
    248,980.55x = 373,025.33 × 151,429.55
  4. Step 4: Simplify right side
    248,980.55x = 56,487,057,103.35
  5. Step 5: Solve for x
    x = 56,487,057,103.35/248,980.55
  6. Step 6: Final answer
    x = 226,873.37

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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.