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Finding the Fourth Proportional to 65,268.40, 97,902.60 and 16,020.40

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Solution

The fourth proportional to 65,268.40, 97,902.60 and 16,020.40 is: 24,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,268.40 : 97,902.60 = 16,020.40 : x
  2. Step 2: Convert to fraction form
    65,268.40/97,902.60 = 16,020.40/x
  3. Step 3: Cross multiply
    65,268.40x = 97,902.60 × 16,020.40
  4. Step 4: Simplify right side
    65,268.40x = 1,568,438,813.04
  5. Step 5: Solve for x
    x = 1,568,438,813.04/65,268.40
  6. Step 6: Final answer
    x = 24,030.60

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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.