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Finding the Fourth Proportional to 230,247.99, 345,607.56 and 190,139.22

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Solution

The fourth proportional to 230,247.99, 345,607.56 and 190,139.22 is: 285,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,247.99 : 345,607.56 = 190,139.22 : x
  2. Step 2: Convert to fraction form
    230,247.99/345,607.56 = 190,139.22/x
  3. Step 3: Cross multiply
    230,247.99x = 345,607.56 × 190,139.22
  4. Step 4: Simplify right side
    230,247.99x = 65,713,551,884.50
  5. Step 5: Solve for x
    x = 65,713,551,884.50/230,247.99
  6. Step 6: Final answer
    x = 285,403.37

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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.