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Finding the Fourth Proportional to 164,751.08, 247,076.73 and 69,980.40

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Solution

The fourth proportional to 164,751.08, 247,076.73 and 69,980.40 is: 104,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,751.08 : 247,076.73 = 69,980.40 : x
  2. Step 2: Convert to fraction form
    164,751.08/247,076.73 = 69,980.40/x
  3. Step 3: Cross multiply
    164,751.08x = 247,076.73 × 69,980.40
  4. Step 4: Simplify right side
    164,751.08x = 17,290,528,396.09
  5. Step 5: Solve for x
    x = 17,290,528,396.09/164,751.08
  6. Step 6: Final answer
    x = 104,949.41

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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.