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Finding the Fourth Proportional to 286,753.75, 430,182.60 and 118,180.33

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Solution

The fourth proportional to 286,753.75, 430,182.60 and 118,180.33 is: 177,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,753.75 : 430,182.60 = 118,180.33 : x
  2. Step 2: Convert to fraction form
    286,753.75/430,182.60 = 118,180.33/x
  3. Step 3: Cross multiply
    286,753.75x = 430,182.60 × 118,180.33
  4. Step 4: Simplify right side
    286,753.75x = 50,839,121,628.26
  5. Step 5: Solve for x
    x = 50,839,121,628.26/286,753.75
  6. Step 6: Final answer
    x = 177,291.92

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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.