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Finding the Fourth Proportional to 180,281.33, 270,297.44 and 79,030.82

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Solution

The fourth proportional to 180,281.33, 270,297.44 and 79,030.82 is: 118,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,281.33 : 270,297.44 = 79,030.82 : x
  2. Step 2: Convert to fraction form
    180,281.33/270,297.44 = 79,030.82/x
  3. Step 3: Cross multiply
    180,281.33x = 270,297.44 × 79,030.82
  4. Step 4: Simplify right side
    180,281.33x = 21,361,828,904.06
  5. Step 5: Solve for x
    x = 21,361,828,904.06/180,281.33
  6. Step 6: Final answer
    x = 118,491.63

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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.