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Finding the Fourth Proportional to 216,927.25, 325,601.30 and 104,686.46

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Solution

The fourth proportional to 216,927.25, 325,601.30 and 104,686.46 is: 157,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,927.25 : 325,601.30 = 104,686.46 : x
  2. Step 2: Convert to fraction form
    216,927.25/325,601.30 = 104,686.46/x
  3. Step 3: Cross multiply
    216,927.25x = 325,601.30 × 104,686.46
  4. Step 4: Simplify right side
    216,927.25x = 34,086,047,468.40
  5. Step 5: Solve for x
    x = 34,086,047,468.40/216,927.25
  6. Step 6: Final answer
    x = 157,131.24

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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.