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Finding the Fourth Proportional to 293,459.92, 439,937.28 and 124,825.84

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Solution

The fourth proportional to 293,459.92, 439,937.28 and 124,825.84 is: 187,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,459.92 : 439,937.28 = 124,825.84 : x
  2. Step 2: Convert to fraction form
    293,459.92/439,937.28 = 124,825.84/x
  3. Step 3: Cross multiply
    293,459.92x = 439,937.28 × 124,825.84
  4. Step 4: Simplify right side
    293,459.92x = 54,915,540,523.32
  5. Step 5: Solve for x
    x = 54,915,540,523.32/293,459.92
  6. Step 6: Final answer
    x = 187,131.31

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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.