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Finding the Fourth Proportional to 247,937.40, 371,697.12 and 107,590.32

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Solution

The fourth proportional to 247,937.40, 371,697.12 and 107,590.32 is: 161,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,937.40 : 371,697.12 = 107,590.32 : x
  2. Step 2: Convert to fraction form
    247,937.40/371,697.12 = 107,590.32/x
  3. Step 3: Cross multiply
    247,937.40x = 371,697.12 × 107,590.32
  4. Step 4: Simplify right side
    247,937.40x = 39,991,012,083.88
  5. Step 5: Solve for x
    x = 39,991,012,083.88/247,937.40
  6. Step 6: Final answer
    x = 161,294.79

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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.