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Finding the Fourth Proportional to 301,986.54, 453,329.73 and 162,018.54

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Solution

The fourth proportional to 301,986.54, 453,329.73 and 162,018.54 is: 243,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,986.54 : 453,329.73 = 162,018.54 : x
  2. Step 2: Convert to fraction form
    301,986.54/453,329.73 = 162,018.54/x
  3. Step 3: Cross multiply
    301,986.54x = 453,329.73 × 162,018.54
  4. Step 4: Simplify right side
    301,986.54x = 73,447,820,993.19
  5. Step 5: Solve for x
    x = 73,447,820,993.19/301,986.54
  6. Step 6: Final answer
    x = 243,215.55

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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.