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Finding the Fourth Proportional to 214,567.96, 321,908.02 and 124,524.11

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Solution

The fourth proportional to 214,567.96, 321,908.02 and 124,524.11 is: 186,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,567.96 : 321,908.02 = 124,524.11 : x
  2. Step 2: Convert to fraction form
    214,567.96/321,908.02 = 124,524.11/x
  3. Step 3: Cross multiply
    214,567.96x = 321,908.02 × 124,524.11
  4. Step 4: Simplify right side
    214,567.96x = 40,085,309,069.74
  5. Step 5: Solve for x
    x = 40,085,309,069.74/214,567.96
  6. Step 6: Final answer
    x = 186,818.71

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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.