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Finding the Fourth Proportional to 248,907.90, 373,143.15 and 149,107.80

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Solution

The fourth proportional to 248,907.90, 373,143.15 and 149,107.80 is: 223,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907.90 : 373,143.15 = 149,107.80 : x
  2. Step 2: Convert to fraction form
    248,907.90/373,143.15 = 149,107.80/x
  3. Step 3: Cross multiply
    248,907.90x = 373,143.15 × 149,107.80
  4. Step 4: Simplify right side
    248,907.90x = 55,638,554,181.57
  5. Step 5: Solve for x
    x = 55,638,554,181.57/248,907.90
  6. Step 6: Final answer
    x = 223,530.69

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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.