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Finding the Fourth Proportional to 216,900.46, 325,560.75 and 104,659.60

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Solution

The fourth proportional to 216,900.46, 325,560.75 and 104,659.60 is: 157,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,900.46 : 325,560.75 = 104,659.60 : x
  2. Step 2: Convert to fraction form
    216,900.46/325,560.75 = 104,659.60/x
  3. Step 3: Cross multiply
    216,900.46x = 325,560.75 × 104,659.60
  4. Step 4: Simplify right side
    216,900.46x = 34,073,057,870.70
  5. Step 5: Solve for x
    x = 34,073,057,870.70/216,900.46
  6. Step 6: Final answer
    x = 157,090.76

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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.