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Finding the Fourth Proportional to 247,460.40, 371,190.60 and 123,044.40

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Solution

The fourth proportional to 247,460.40, 371,190.60 and 123,044.40 is: 184,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,460.40 : 371,190.60 = 123,044.40 : x
  2. Step 2: Convert to fraction form
    247,460.40/371,190.60 = 123,044.40/x
  3. Step 3: Cross multiply
    247,460.40x = 371,190.60 × 123,044.40
  4. Step 4: Simplify right side
    247,460.40x = 45,672,924,662.64
  5. Step 5: Solve for x
    x = 45,672,924,662.64/247,460.40
  6. Step 6: Final answer
    x = 184,566.60

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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.