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Finding the Fourth Proportional to 344,842.68, 516,928.55 and 164,881.34

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Solution

The fourth proportional to 344,842.68, 516,928.55 and 164,881.34 is: 247,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,842.68 : 516,928.55 = 164,881.34 : x
  2. Step 2: Convert to fraction form
    344,842.68/516,928.55 = 164,881.34/x
  3. Step 3: Cross multiply
    344,842.68x = 516,928.55 × 164,881.34
  4. Step 4: Simplify right side
    344,842.68x = 85,231,872,008.26
  5. Step 5: Solve for x
    x = 85,231,872,008.26/344,842.68
  6. Step 6: Final answer
    x = 247,161.61

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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.