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Finding the Fourth Proportional to 166,410.40, 249,615.60 and 149,821.60

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Solution

The fourth proportional to 166,410.40, 249,615.60 and 149,821.60 is: 224,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,410.40 : 249,615.60 = 149,821.60 : x
  2. Step 2: Convert to fraction form
    166,410.40/249,615.60 = 149,821.60/x
  3. Step 3: Cross multiply
    166,410.40x = 249,615.60 × 149,821.60
  4. Step 4: Simplify right side
    166,410.40x = 37,397,808,576.96
  5. Step 5: Solve for x
    x = 37,397,808,576.96/166,410.40
  6. Step 6: Final answer
    x = 224,732.40

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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.