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Finding the Fourth Proportional to 146,751.66, 202,683.60 and 98,922.78

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Solution

The fourth proportional to 146,751.66, 202,683.60 and 98,922.78 is: 136,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.66 : 202,683.60 = 98,922.78 : x
  2. Step 2: Convert to fraction form
    146,751.66/202,683.60 = 98,922.78/x
  3. Step 3: Cross multiply
    146,751.66x = 202,683.60 × 98,922.78
  4. Step 4: Simplify right side
    146,751.66x = 20,050,025,172.41
  5. Step 5: Solve for x
    x = 20,050,025,172.41/146,751.66
  6. Step 6: Final answer
    x = 136,625.54

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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.