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Finding the Fourth Proportional to 207,651.30, 311,822.55 and 114,224.10

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Solution

The fourth proportional to 207,651.30, 311,822.55 and 114,224.10 is: 171,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,651.30 : 311,822.55 = 114,224.10 : x
  2. Step 2: Convert to fraction form
    207,651.30/311,822.55 = 114,224.10/x
  3. Step 3: Cross multiply
    207,651.30x = 311,822.55 × 114,224.10
  4. Step 4: Simplify right side
    207,651.30x = 35,617,650,133.46
  5. Step 5: Solve for x
    x = 35,617,650,133.46/207,651.30
  6. Step 6: Final answer
    x = 171,526.26

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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.