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Finding the Fourth Proportional to 127,941.44, 191,911.88 and 34,447.28

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Solution

The fourth proportional to 127,941.44, 191,911.88 and 34,447.28 is: 51,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,941.44 : 191,911.88 = 34,447.28 : x
  2. Step 2: Convert to fraction form
    127,941.44/191,911.88 = 34,447.28/x
  3. Step 3: Cross multiply
    127,941.44x = 191,911.88 × 34,447.28
  4. Step 4: Simplify right side
    127,941.44x = 6,610,842,265.69
  5. Step 5: Solve for x
    x = 6,610,842,265.69/127,941.44
  6. Step 6: Final answer
    x = 51,670.84

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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.