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Finding the Fourth Proportional to 79,274.46, 118,816.92 and 60,407.94

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Solution

The fourth proportional to 79,274.46, 118,816.92 and 60,407.94 is: 90,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.46 : 118,816.92 = 60,407.94 : x
  2. Step 2: Convert to fraction form
    79,274.46/118,816.92 = 60,407.94/x
  3. Step 3: Cross multiply
    79,274.46x = 118,816.92 × 60,407.94
  4. Step 4: Simplify right side
    79,274.46x = 7,177,485,374.34
  5. Step 5: Solve for x
    x = 7,177,485,374.34/79,274.46
  6. Step 6: Final answer
    x = 90,539.69

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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.