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Finding the Fourth Proportional to 114,694.70, 172,098.40 and 51,559.42

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Solution

The fourth proportional to 114,694.70, 172,098.40 and 51,559.42 is: 77,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,694.70 : 172,098.40 = 51,559.42 : x
  2. Step 2: Convert to fraction form
    114,694.70/172,098.40 = 51,559.42/x
  3. Step 3: Cross multiply
    114,694.70x = 172,098.40 × 51,559.42
  4. Step 4: Simplify right side
    114,694.70x = 8,873,293,686.93
  5. Step 5: Solve for x
    x = 8,873,293,686.93/114,694.70
  6. Step 6: Final answer
    x = 77,364.46

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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.