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Finding the Fourth Proportional to 250,627.17, 345,883.79 and 143,194.89

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Solution

The fourth proportional to 250,627.17, 345,883.79 and 143,194.89 is: 197,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.17 : 345,883.79 = 143,194.89 : x
  2. Step 2: Convert to fraction form
    250,627.17/345,883.79 = 143,194.89/x
  3. Step 3: Cross multiply
    250,627.17x = 345,883.79 × 143,194.89
  4. Step 4: Simplify right side
    250,627.17x = 49,528,790,545.86
  5. Step 5: Solve for x
    x = 49,528,790,545.86/250,627.17
  6. Step 6: Final answer
    x = 197,619.40

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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.