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Finding the Fourth Proportional to 166,658.82, 250,014.30 and 54,312.93

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Solution

The fourth proportional to 166,658.82, 250,014.30 and 54,312.93 is: 81,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658.82 : 250,014.30 = 54,312.93 : x
  2. Step 2: Convert to fraction form
    166,658.82/250,014.30 = 54,312.93/x
  3. Step 3: Cross multiply
    166,658.82x = 250,014.30 × 54,312.93
  4. Step 4: Simplify right side
    166,658.82x = 13,579,008,971.23
  5. Step 5: Solve for x
    x = 13,579,008,971.23/166,658.82
  6. Step 6: Final answer
    x = 81,477.89

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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.