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Finding the Fourth Proportional to 118,483.50, 177,731.73 and 35,383.98

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Solution

The fourth proportional to 118,483.50, 177,731.73 and 35,383.98 is: 53,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,483.50 : 177,731.73 = 35,383.98 : x
  2. Step 2: Convert to fraction form
    118,483.50/177,731.73 = 35,383.98/x
  3. Step 3: Cross multiply
    118,483.50x = 177,731.73 × 35,383.98
  4. Step 4: Simplify right side
    118,483.50x = 6,288,855,979.69
  5. Step 5: Solve for x
    x = 6,288,855,979.69/118,483.50
  6. Step 6: Final answer
    x = 53,077.91

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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.