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Finding the Fourth Proportional to 250,266.44, 345,373.27 and 142,834.32

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Solution

The fourth proportional to 250,266.44, 345,373.27 and 142,834.32 is: 197,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,266.44 : 345,373.27 = 142,834.32 : x
  2. Step 2: Convert to fraction form
    250,266.44/345,373.27 = 142,834.32/x
  3. Step 3: Cross multiply
    250,266.44x = 345,373.27 × 142,834.32
  4. Step 4: Simplify right side
    250,266.44x = 49,331,155,809.54
  5. Step 5: Solve for x
    x = 49,331,155,809.54/250,266.44
  6. Step 6: Final answer
    x = 197,114.54

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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.