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Finding the Fourth Proportional to 324,968.76, 487,313.73 and 111,758.13

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Solution

The fourth proportional to 324,968.76, 487,313.73 and 111,758.13 is: 167,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,968.76 : 487,313.73 = 111,758.13 : x
  2. Step 2: Convert to fraction form
    324,968.76/487,313.73 = 111,758.13/x
  3. Step 3: Cross multiply
    324,968.76x = 487,313.73 × 111,758.13
  4. Step 4: Simplify right side
    324,968.76x = 54,461,271,188.12
  5. Step 5: Solve for x
    x = 54,461,271,188.12/324,968.76
  6. Step 6: Final answer
    x = 167,589.25

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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.