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Finding the Fourth Proportional to 225,968.01, 311,834.30 and 125,366.01

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Solution

The fourth proportional to 225,968.01, 311,834.30 and 125,366.01 is: 173,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,968.01 : 311,834.30 = 125,366.01 : x
  2. Step 2: Convert to fraction form
    225,968.01/311,834.30 = 125,366.01/x
  3. Step 3: Cross multiply
    225,968.01x = 311,834.30 × 125,366.01
  4. Step 4: Simplify right side
    225,968.01x = 39,093,421,345.31
  5. Step 5: Solve for x
    x = 39,093,421,345.31/225,968.01
  6. Step 6: Final answer
    x = 173,004.23

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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.