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Finding the Fourth Proportional to 247,116.45, 370,409.34 and 104,841.64

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Solution

The fourth proportional to 247,116.45, 370,409.34 and 104,841.64 is: 157,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,116.45 : 370,409.34 = 104,841.64 : x
  2. Step 2: Convert to fraction form
    247,116.45/370,409.34 = 104,841.64/x
  3. Step 3: Cross multiply
    247,116.45x = 370,409.34 × 104,841.64
  4. Step 4: Simplify right side
    247,116.45x = 38,834,322,676.92
  5. Step 5: Solve for x
    x = 38,834,322,676.92/247,116.45
  6. Step 6: Final answer
    x = 157,149.89

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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.