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Finding the Fourth Proportional to 325,881.98, 488,729.67 and 112,594.11

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Solution

The fourth proportional to 325,881.98, 488,729.67 and 112,594.11 is: 168,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,881.98 : 488,729.67 = 112,594.11 : x
  2. Step 2: Convert to fraction form
    325,881.98/488,729.67 = 112,594.11/x
  3. Step 3: Cross multiply
    325,881.98x = 488,729.67 × 112,594.11
  4. Step 4: Simplify right side
    325,881.98x = 55,028,082,224.24
  5. Step 5: Solve for x
    x = 55,028,082,224.24/325,881.98
  6. Step 6: Final answer
    x = 168,858.93

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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.