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Finding the Fourth Proportional to 270,913.77, 373,863.78 and 163,463.13

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Solution

The fourth proportional to 270,913.77, 373,863.78 and 163,463.13 is: 225,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,913.77 : 373,863.78 = 163,463.13 : x
  2. Step 2: Convert to fraction form
    270,913.77/373,863.78 = 163,463.13/x
  3. Step 3: Cross multiply
    270,913.77x = 373,863.78 × 163,463.13
  4. Step 4: Simplify right side
    270,913.77x = 61,112,943,672.43
  5. Step 5: Solve for x
    x = 61,112,943,672.43/270,913.77
  6. Step 6: Final answer
    x = 225,580.80

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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.