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Finding the Fourth Proportional to 373,945.60, 560,921.60 and 124,627.60

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Solution

The fourth proportional to 373,945.60, 560,921.60 and 124,627.60 is: 186,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,945.60 : 560,921.60 = 124,627.60 : x
  2. Step 2: Convert to fraction form
    373,945.60/560,921.60 = 124,627.60/x
  3. Step 3: Cross multiply
    373,945.60x = 560,921.60 × 124,627.60
  4. Step 4: Simplify right side
    373,945.60x = 69,906,312,796.16
  5. Step 5: Solve for x
    x = 69,906,312,796.16/373,945.60
  6. Step 6: Final answer
    x = 186,942.47

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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.