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Finding the Fourth Proportional to 166,245.40, 249,368.10 and 41,586.40

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Solution

The fourth proportional to 166,245.40, 249,368.10 and 41,586.40 is: 62,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,245.40 : 249,368.10 = 41,586.40 : x
  2. Step 2: Convert to fraction form
    166,245.40/249,368.10 = 41,586.40/x
  3. Step 3: Cross multiply
    166,245.40x = 249,368.10 × 41,586.40
  4. Step 4: Simplify right side
    166,245.40x = 10,370,321,553.84
  5. Step 5: Solve for x
    x = 10,370,321,553.84/166,245.40
  6. Step 6: Final answer
    x = 62,379.60

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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.