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Finding the Fourth Proportional to 179,003.84, 268,626.40 and 73,820.48

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Solution

The fourth proportional to 179,003.84, 268,626.40 and 73,820.48 is: 110,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,003.84 : 268,626.40 = 73,820.48 : x
  2. Step 2: Convert to fraction form
    179,003.84/268,626.40 = 73,820.48/x
  3. Step 3: Cross multiply
    179,003.84x = 268,626.40 × 73,820.48
  4. Step 4: Simplify right side
    179,003.84x = 19,830,129,788.67
  5. Step 5: Solve for x
    x = 19,830,129,788.67/179,003.84
  6. Step 6: Final answer
    x = 110,780.47

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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.