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Finding the Fourth Proportional to 186,033.75, 279,050.63 and 54,705.75

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Solution

The fourth proportional to 186,033.75, 279,050.63 and 54,705.75 is: 82,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,033.75 : 279,050.63 = 54,705.75 : x
  2. Step 2: Convert to fraction form
    186,033.75/279,050.63 = 54,705.75/x
  3. Step 3: Cross multiply
    186,033.75x = 279,050.63 × 54,705.75
  4. Step 4: Simplify right side
    186,033.75x = 15,265,673,728.59
  5. Step 5: Solve for x
    x = 15,265,673,728.59/186,033.75
  6. Step 6: Final answer
    x = 82,058.63

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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.