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Finding the Fourth Proportional to 185,329.17, 277,993.76 and 45,086.58

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Solution

The fourth proportional to 185,329.17, 277,993.76 and 45,086.58 is: 67,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,329.17 : 277,993.76 = 45,086.58 : x
  2. Step 2: Convert to fraction form
    185,329.17/277,993.76 = 45,086.58/x
  3. Step 3: Cross multiply
    185,329.17x = 277,993.76 × 45,086.58
  4. Step 4: Simplify right side
    185,329.17x = 12,533,787,674.31
  5. Step 5: Solve for x
    x = 12,533,787,674.31/185,329.17
  6. Step 6: Final answer
    x = 67,629.87

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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.