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Finding the Fourth Proportional to 65,888.33, 98,729.01 and 50,932.10

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Solution

The fourth proportional to 65,888.33, 98,729.01 and 50,932.10 is: 76,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.33 : 98,729.01 = 50,932.10 : x
  2. Step 2: Convert to fraction form
    65,888.33/98,729.01 = 50,932.10/x
  3. Step 3: Cross multiply
    65,888.33x = 98,729.01 × 50,932.10
  4. Step 4: Simplify right side
    65,888.33x = 5,028,475,810.22
  5. Step 5: Solve for x
    x = 5,028,475,810.22/65,888.33
  6. Step 6: Final answer
    x = 76,318.16

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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.