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Finding the Fourth Proportional to 65,513.96, 98,270.96 and 43,468.20

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Solution

The fourth proportional to 65,513.96, 98,270.96 and 43,468.20 is: 65,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,513.96 : 98,270.96 = 43,468.20 : x
  2. Step 2: Convert to fraction form
    65,513.96/98,270.96 = 43,468.20/x
  3. Step 3: Cross multiply
    65,513.96x = 98,270.96 × 43,468.20
  4. Step 4: Simplify right side
    65,513.96x = 4,271,661,743.47
  5. Step 5: Solve for x
    x = 4,271,661,743.47/65,513.96
  6. Step 6: Final answer
    x = 65,202.31

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1.5x scale

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.