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Finding the Fourth Proportional to 218,254.68, 327,380.58 and 56,148.48

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Solution

The fourth proportional to 218,254.68, 327,380.58 and 56,148.48 is: 84,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,254.68 : 327,380.58 = 56,148.48 : x
  2. Step 2: Convert to fraction form
    218,254.68/327,380.58 = 56,148.48/x
  3. Step 3: Cross multiply
    218,254.68x = 327,380.58 × 56,148.48
  4. Step 4: Simplify right side
    218,254.68x = 18,381,921,948.52
  5. Step 5: Solve for x
    x = 18,381,921,948.52/218,254.68
  6. Step 6: Final answer
    x = 84,222.35

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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.