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Finding the Fourth Proportional to 166,586, 249,904.98 and 54,239.69

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Solution

The fourth proportional to 166,586, 249,904.98 and 54,239.69 is: 81,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,586 : 249,904.98 = 54,239.69 : x
  2. Step 2: Convert to fraction form
    166,586/249,904.98 = 54,239.69/x
  3. Step 3: Cross multiply
    166,586x = 249,904.98 × 54,239.69
  4. Step 4: Simplify right side
    166,586x = 13,554,768,644.66
  5. Step 5: Solve for x
    x = 13,554,768,644.66/166,586
  6. Step 6: Final answer
    x = 81,367.99

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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.