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Finding the Fourth Proportional to 186,241.41, 257,040.22 and 104,578.83

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Solution

The fourth proportional to 186,241.41, 257,040.22 and 104,578.83 is: 144,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,241.41 : 257,040.22 = 104,578.83 : x
  2. Step 2: Convert to fraction form
    186,241.41/257,040.22 = 104,578.83/x
  3. Step 3: Cross multiply
    186,241.41x = 257,040.22 × 104,578.83
  4. Step 4: Simplify right side
    186,241.41x = 26,880,965,470.54
  5. Step 5: Solve for x
    x = 26,880,965,470.54/186,241.41
  6. Step 6: Final answer
    x = 144,333.99

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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.