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Finding the Fourth Proportional to 116,516.70, 174,653.84 and 79,079.82

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Solution

The fourth proportional to 116,516.70, 174,653.84 and 79,079.82 is: 118,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,516.70 : 174,653.84 = 79,079.82 : x
  2. Step 2: Convert to fraction form
    116,516.70/174,653.84 = 79,079.82/x
  3. Step 3: Cross multiply
    116,516.70x = 174,653.84 × 79,079.82
  4. Step 4: Simplify right side
    116,516.70x = 13,811,594,229.51
  5. Step 5: Solve for x
    x = 13,811,594,229.51/116,516.70
  6. Step 6: Final answer
    x = 118,537.46

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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.