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Finding the Fourth Proportional to 270,659.66, 373,477.55 and 155,975.87

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Solution

The fourth proportional to 270,659.66, 373,477.55 and 155,975.87 is: 215,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,659.66 : 373,477.55 = 155,975.87 : x
  2. Step 2: Convert to fraction form
    270,659.66/373,477.55 = 155,975.87/x
  3. Step 3: Cross multiply
    270,659.66x = 373,477.55 × 155,975.87
  4. Step 4: Simplify right side
    270,659.66x = 58,253,485,940.53
  5. Step 5: Solve for x
    x = 58,253,485,940.53/270,659.66
  6. Step 6: Final answer
    x = 215,227.81

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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.