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Finding the Fourth Proportional to 344,305.45, 516,487.94 and 94,987.45

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Solution

The fourth proportional to 344,305.45, 516,487.94 and 94,987.45 is: 142,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,305.45 : 516,487.94 = 94,987.45 : x
  2. Step 2: Convert to fraction form
    344,305.45/516,487.94 = 94,987.45/x
  3. Step 3: Cross multiply
    344,305.45x = 516,487.94 × 94,987.45
  4. Step 4: Simplify right side
    344,305.45x = 49,059,872,376.35
  5. Step 5: Solve for x
    x = 49,059,872,376.35/344,305.45
  6. Step 6: Final answer
    x = 142,489.39

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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.