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Finding the Fourth Proportional to 107,956, 148,974.96 and 60,208.96

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Solution

The fourth proportional to 107,956, 148,974.96 and 60,208.96 is: 83,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,956 : 148,974.96 = 60,208.96 : x
  2. Step 2: Convert to fraction form
    107,956/148,974.96 = 60,208.96/x
  3. Step 3: Cross multiply
    107,956x = 148,974.96 × 60,208.96
  4. Step 4: Simplify right side
    107,956x = 8,969,627,407.64
  5. Step 5: Solve for x
    x = 8,969,627,407.64/107,956
  6. Step 6: Final answer
    x = 83,085.96

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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.