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Finding the Fourth Proportional to 116,732.95, 174,847.92 and 79,086.48

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Solution

The fourth proportional to 116,732.95, 174,847.92 and 79,086.48 is: 118,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,732.95 : 174,847.92 = 79,086.48 : x
  2. Step 2: Convert to fraction form
    116,732.95/174,847.92 = 79,086.48/x
  3. Step 3: Cross multiply
    116,732.95x = 174,847.92 × 79,086.48
  4. Step 4: Simplify right side
    116,732.95x = 13,828,105,575.87
  5. Step 5: Solve for x
    x = 13,828,105,575.87/116,732.95
  6. Step 6: Final answer
    x = 118,459.32

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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.