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Finding the Fourth Proportional to 178,948.88, 268,226.48 and 73,710.44

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Solution

The fourth proportional to 178,948.88, 268,226.48 and 73,710.44 is: 110,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,948.88 : 268,226.48 = 73,710.44 : x
  2. Step 2: Convert to fraction form
    178,948.88/268,226.48 = 73,710.44/x
  3. Step 3: Cross multiply
    178,948.88x = 268,226.48 × 73,710.44
  4. Step 4: Simplify right side
    178,948.88x = 19,771,091,860.45
  5. Step 5: Solve for x
    x = 19,771,091,860.45/178,948.88
  6. Step 6: Final answer
    x = 110,484.58

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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.