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Finding the Fourth Proportional to 450,669.06, 675,959.82 and 118,245.06

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Solution

The fourth proportional to 450,669.06, 675,959.82 and 118,245.06 is: 177,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,669.06 : 675,959.82 = 118,245.06 : x
  2. Step 2: Convert to fraction form
    450,669.06/675,959.82 = 118,245.06/x
  3. Step 3: Cross multiply
    450,669.06x = 675,959.82 × 118,245.06
  4. Step 4: Simplify right side
    450,669.06x = 79,928,909,473.49
  5. Step 5: Solve for x
    x = 79,928,909,473.49/450,669.06
  6. Step 6: Final answer
    x = 177,356.11

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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.