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Finding the Fourth Proportional to 451,848.42, 677,777.50 and 136,308.06

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Solution

The fourth proportional to 451,848.42, 677,777.50 and 136,308.06 is: 204,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,848.42 : 677,777.50 = 136,308.06 : x
  2. Step 2: Convert to fraction form
    451,848.42/677,777.50 = 136,308.06/x
  3. Step 3: Cross multiply
    451,848.42x = 677,777.50 × 136,308.06
  4. Step 4: Simplify right side
    451,848.42x = 92,386,536,136.65
  5. Step 5: Solve for x
    x = 92,386,536,136.65/451,848.42
  6. Step 6: Final answer
    x = 204,463.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.