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Finding the Fourth Proportional to 166,536.99, 249,903.90 and 61,429.77

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Solution

The fourth proportional to 166,536.99, 249,903.90 and 61,429.77 is: 92,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,536.99 : 249,903.90 = 61,429.77 : x
  2. Step 2: Convert to fraction form
    166,536.99/249,903.90 = 61,429.77/x
  3. Step 3: Cross multiply
    166,536.99x = 249,903.90 × 61,429.77
  4. Step 4: Simplify right side
    166,536.99x = 15,351,539,099.10
  5. Step 5: Solve for x
    x = 15,351,539,099.10/166,536.99
  6. Step 6: Final answer
    x = 92,180.96

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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.