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Finding the Fourth Proportional to 73,438.53, 101,344.01 and 43,220.27

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Solution

The fourth proportional to 73,438.53, 101,344.01 and 43,220.27 is: 59,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,438.53 : 101,344.01 = 43,220.27 : x
  2. Step 2: Convert to fraction form
    73,438.53/101,344.01 = 43,220.27/x
  3. Step 3: Cross multiply
    73,438.53x = 101,344.01 × 43,220.27
  4. Step 4: Simplify right side
    73,438.53x = 4,380,114,752.26
  5. Step 5: Solve for x
    x = 4,380,114,752.26/73,438.53
  6. Step 6: Final answer
    x = 59,643.28

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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.