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Finding the Fourth Proportional to 188,303.89, 282,455.43 and 118,232.41

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Solution

The fourth proportional to 188,303.89, 282,455.43 and 118,232.41 is: 177,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,303.89 : 282,455.43 = 118,232.41 : x
  2. Step 2: Convert to fraction form
    188,303.89/282,455.43 = 118,232.41/x
  3. Step 3: Cross multiply
    188,303.89x = 282,455.43 × 118,232.41
  4. Step 4: Simplify right side
    188,303.89x = 33,395,386,206.49
  5. Step 5: Solve for x
    x = 33,395,386,206.49/188,303.89
  6. Step 6: Final answer
    x = 177,348.36

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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.