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Finding the Fourth Proportional to 118,161.61, 176,826.08 and 73,809.25

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Solution

The fourth proportional to 118,161.61, 176,826.08 and 73,809.25 is: 110,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,161.61 : 176,826.08 = 73,809.25 : x
  2. Step 2: Convert to fraction form
    118,161.61/176,826.08 = 73,809.25/x
  3. Step 3: Cross multiply
    118,161.61x = 176,826.08 × 73,809.25
  4. Step 4: Simplify right side
    118,161.61x = 13,051,399,976.19
  5. Step 5: Solve for x
    x = 13,051,399,976.19/118,161.61
  6. Step 6: Final answer
    x = 110,453.81

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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.