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Finding the Fourth Proportional to 186,683.44, 280,025.16 and 68,303.56

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Solution

The fourth proportional to 186,683.44, 280,025.16 and 68,303.56 is: 102,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,683.44 : 280,025.16 = 68,303.56 : x
  2. Step 2: Convert to fraction form
    186,683.44/280,025.16 = 68,303.56/x
  3. Step 3: Cross multiply
    186,683.44x = 280,025.16 × 68,303.56
  4. Step 4: Simplify right side
    186,683.44x = 19,126,715,317.57
  5. Step 5: Solve for x
    x = 19,126,715,317.57/186,683.44
  6. Step 6: Final answer
    x = 102,455.34

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1.5x scale

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.