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Finding the Fourth Proportional to 250,633.17, 345,892.08 and 143,200.89

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Solution

The fourth proportional to 250,633.17, 345,892.08 and 143,200.89 is: 197,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,633.17 : 345,892.08 = 143,200.89 : x
  2. Step 2: Convert to fraction form
    250,633.17/345,892.08 = 143,200.89/x
  3. Step 3: Cross multiply
    250,633.17x = 345,892.08 × 143,200.89
  4. Step 4: Simplify right side
    250,633.17x = 49,532,053,699.95
  5. Step 5: Solve for x
    x = 49,532,053,699.95/250,633.17
  6. Step 6: Final answer
    x = 197,627.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.