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Finding the Fourth Proportional to 236,420.68, 354,527.26 and 88,573

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Solution

The fourth proportional to 236,420.68, 354,527.26 and 88,573 is: 132,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,420.68 : 354,527.26 = 88,573 : x
  2. Step 2: Convert to fraction form
    236,420.68/354,527.26 = 88,573/x
  3. Step 3: Cross multiply
    236,420.68x = 354,527.26 × 88,573
  4. Step 4: Simplify right side
    236,420.68x = 31,401,542,999.98
  5. Step 5: Solve for x
    x = 31,401,542,999.98/236,420.68
  6. Step 6: Final answer
    x = 132,820.63

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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.