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Finding the Fourth Proportional to 73,127.81, 109,608.80 and 33,603.26

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Solution

The fourth proportional to 73,127.81, 109,608.80 and 33,603.26 is: 50,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127.81 : 109,608.80 = 33,603.26 : x
  2. Step 2: Convert to fraction form
    73,127.81/109,608.80 = 33,603.26/x
  3. Step 3: Cross multiply
    73,127.81x = 109,608.80 × 33,603.26
  4. Step 4: Simplify right side
    73,127.81x = 3,683,212,288.63
  5. Step 5: Solve for x
    x = 3,683,212,288.63/73,127.81
  6. Step 6: Final answer
    x = 50,366.78

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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.