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Finding the Fourth Proportional to 247,958.09, 371,961.72 and 98,301.68

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Solution

The fourth proportional to 247,958.09, 371,961.72 and 98,301.68 is: 147,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,958.09 : 371,961.72 = 98,301.68 : x
  2. Step 2: Convert to fraction form
    247,958.09/371,961.72 = 98,301.68/x
  3. Step 3: Cross multiply
    247,958.09x = 371,961.72 × 98,301.68
  4. Step 4: Simplify right side
    247,958.09x = 36,564,460,111.88
  5. Step 5: Solve for x
    x = 36,564,460,111.88/247,958.09
  6. Step 6: Final answer
    x = 147,462.26

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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.