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Finding the Fourth Proportional to 179,582.40, 269,258.40 and 74,443.20

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Solution

The fourth proportional to 179,582.40, 269,258.40 and 74,443.20 is: 111,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,582.40 : 269,258.40 = 74,443.20 : x
  2. Step 2: Convert to fraction form
    179,582.40/269,258.40 = 74,443.20/x
  3. Step 3: Cross multiply
    179,582.40x = 269,258.40 × 74,443.20
  4. Step 4: Simplify right side
    179,582.40x = 20,044,456,922.88
  5. Step 5: Solve for x
    x = 20,044,456,922.88/179,582.40
  6. Step 6: Final answer
    x = 111,617.05

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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.