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Finding the Fourth Proportional to 65,888.25, 98,728.89 and 50,932

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Solution

The fourth proportional to 65,888.25, 98,728.89 and 50,932 is: 76,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.25 : 98,728.89 = 50,932 : x
  2. Step 2: Convert to fraction form
    65,888.25/98,728.89 = 50,932/x
  3. Step 3: Cross multiply
    65,888.25x = 98,728.89 × 50,932
  4. Step 4: Simplify right side
    65,888.25x = 5,028,459,825.48
  5. Step 5: Solve for x
    x = 5,028,459,825.48/65,888.25
  6. Step 6: Final answer
    x = 76,318.01

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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.