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Finding the Fourth Proportional to 275,158.01, 412,738.54 and 125,293.84

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Solution

The fourth proportional to 275,158.01, 412,738.54 and 125,293.84 is: 187,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,158.01 : 412,738.54 = 125,293.84 : x
  2. Step 2: Convert to fraction form
    275,158.01/412,738.54 = 125,293.84/x
  3. Step 3: Cross multiply
    275,158.01x = 412,738.54 × 125,293.84
  4. Step 4: Simplify right side
    275,158.01x = 51,713,595,247.51
  5. Step 5: Solve for x
    x = 51,713,595,247.51/275,158.01
  6. Step 6: Final answer
    x = 187,941.45

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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.