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Finding the Fourth Proportional to 118,092.98, 176,448.26 and 113,958.74

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Solution

The fourth proportional to 118,092.98, 176,448.26 and 113,958.74 is: 170,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,092.98 : 176,448.26 = 113,958.74 : x
  2. Step 2: Convert to fraction form
    118,092.98/176,448.26 = 113,958.74/x
  3. Step 3: Cross multiply
    118,092.98x = 176,448.26 × 113,958.74
  4. Step 4: Simplify right side
    118,092.98x = 20,107,821,384.79
  5. Step 5: Solve for x
    x = 20,107,821,384.79/118,092.98
  6. Step 6: Final answer
    x = 170,271.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.