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Finding the Fourth Proportional to 220,468.77, 330,667.74 and 60,507.36

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Solution

The fourth proportional to 220,468.77, 330,667.74 and 60,507.36 is: 90,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,468.77 : 330,667.74 = 60,507.36 : x
  2. Step 2: Convert to fraction form
    220,468.77/330,667.74 = 60,507.36/x
  3. Step 3: Cross multiply
    220,468.77x = 330,667.74 × 60,507.36
  4. Step 4: Simplify right side
    220,468.77x = 20,007,831,984.57
  5. Step 5: Solve for x
    x = 20,007,831,984.57/220,468.77
  6. Step 6: Final answer
    x = 90,751.32

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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.