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Finding the Fourth Proportional to 166,511.87, 249,866.22 and 61,404.65

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Solution

The fourth proportional to 166,511.87, 249,866.22 and 61,404.65 is: 92,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,511.87 : 249,866.22 = 61,404.65 : x
  2. Step 2: Convert to fraction form
    166,511.87/249,866.22 = 61,404.65/x
  3. Step 3: Cross multiply
    166,511.87x = 249,866.22 × 61,404.65
  4. Step 4: Simplify right side
    166,511.87x = 15,342,946,536.59
  5. Step 5: Solve for x
    x = 15,342,946,536.59/166,511.87
  6. Step 6: Final answer
    x = 92,143.26

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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.