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Finding the Fourth Proportional to 217,327.66, 325,923.98 and 104,938.00

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Solution

The fourth proportional to 217,327.66, 325,923.98 and 104,938.00 is: 157,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,327.66 : 325,923.98 = 104,938.00 : x
  2. Step 2: Convert to fraction form
    217,327.66/325,923.98 = 104,938.00/x
  3. Step 3: Cross multiply
    217,327.66x = 325,923.98 × 104,938.00
  4. Step 4: Simplify right side
    217,327.66x = 34,201,809,273.74
  5. Step 5: Solve for x
    x = 34,201,809,273.74/217,327.66
  6. Step 6: Final answer
    x = 157,374.40

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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.