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Finding the Fourth Proportional to 247,762.89, 341,936.58 and 138,866.69

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Solution

The fourth proportional to 247,762.89, 341,936.58 and 138,866.69 is: 191,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,762.89 : 341,936.58 = 138,866.69 : x
  2. Step 2: Convert to fraction form
    247,762.89/341,936.58 = 138,866.69/x
  3. Step 3: Cross multiply
    247,762.89x = 341,936.58 × 138,866.69
  4. Step 4: Simplify right side
    247,762.89x = 47,483,599,344.84
  5. Step 5: Solve for x
    x = 47,483,599,344.84/247,762.89
  6. Step 6: Final answer
    x = 191,649.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.