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Finding the Fourth Proportional to 230,303.26, 345,454.90 and 89,963.48

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Solution

The fourth proportional to 230,303.26, 345,454.90 and 89,963.48 is: 134,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,303.26 : 345,454.90 = 89,963.48 : x
  2. Step 2: Convert to fraction form
    230,303.26/345,454.90 = 89,963.48/x
  3. Step 3: Cross multiply
    230,303.26x = 345,454.90 × 89,963.48
  4. Step 4: Simplify right side
    230,303.26x = 31,078,324,987.05
  5. Step 5: Solve for x
    x = 31,078,324,987.05/230,303.26
  6. Step 6: Final answer
    x = 134,945.22

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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.