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Finding the Fourth Proportional to 73,734.40, 101,735.20 and 43,520.32

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Solution

The fourth proportional to 73,734.40, 101,735.20 and 43,520.32 is: 60,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,734.40 : 101,735.20 = 43,520.32 : x
  2. Step 2: Convert to fraction form
    73,734.40/101,735.20 = 43,520.32/x
  3. Step 3: Cross multiply
    73,734.40x = 101,735.20 × 43,520.32
  4. Step 4: Simplify right side
    73,734.40x = 4,427,548,459.26
  5. Step 5: Solve for x
    x = 4,427,548,459.26/73,734.40
  6. Step 6: Final answer
    x = 60,047.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.