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Finding the Fourth Proportional to 118,475.75, 177,741.71 and 35,371.91

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Solution

The fourth proportional to 118,475.75, 177,741.71 and 35,371.91 is: 53,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,475.75 : 177,741.71 = 35,371.91 : x
  2. Step 2: Convert to fraction form
    118,475.75/177,741.71 = 35,371.91/x
  3. Step 3: Cross multiply
    118,475.75x = 177,741.71 × 35,371.91
  4. Step 4: Simplify right side
    118,475.75x = 6,287,063,769.37
  5. Step 5: Solve for x
    x = 6,287,063,769.37/118,475.75
  6. Step 6: Final answer
    x = 53,066.25

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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.