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Finding the Fourth Proportional to 248,814.20, 373,610.10 and 143,838.20

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Solution

The fourth proportional to 248,814.20, 373,610.10 and 143,838.20 is: 215,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,814.20 : 373,610.10 = 143,838.20 : x
  2. Step 2: Convert to fraction form
    248,814.20/373,610.10 = 143,838.20/x
  3. Step 3: Cross multiply
    248,814.20x = 373,610.10 × 143,838.20
  4. Step 4: Simplify right side
    248,814.20x = 53,739,404,285.82
  5. Step 5: Solve for x
    x = 53,739,404,285.82/248,814.20
  6. Step 6: Final answer
    x = 215,982.06

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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.