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Finding the Fourth Proportional to 445,764.96, 668,177.88 and 146,167.44

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Solution

The fourth proportional to 445,764.96, 668,177.88 and 146,167.44 is: 219,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,764.96 : 668,177.88 = 146,167.44 : x
  2. Step 2: Convert to fraction form
    445,764.96/668,177.88 = 146,167.44/x
  3. Step 3: Cross multiply
    445,764.96x = 668,177.88 × 146,167.44
  4. Step 4: Simplify right side
    445,764.96x = 97,665,850,184.23
  5. Step 5: Solve for x
    x = 97,665,850,184.23/445,764.96
  6. Step 6: Final answer
    x = 219,097.19

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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.