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Finding the Fourth Proportional to 148,452.96, 222,728.30 and 98,728.68

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Solution

The fourth proportional to 148,452.96, 222,728.30 and 98,728.68 is: 148,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,452.96 : 222,728.30 = 98,728.68 : x
  2. Step 2: Convert to fraction form
    148,452.96/222,728.30 = 98,728.68/x
  3. Step 3: Cross multiply
    148,452.96x = 222,728.30 × 98,728.68
  4. Step 4: Simplify right side
    148,452.96x = 21,989,671,057.64
  5. Step 5: Solve for x
    x = 21,989,671,057.64/148,452.96
  6. Step 6: Final answer
    x = 148,125.51

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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.