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Finding the Fourth Proportional to 166,091.40, 249,104.70 and 53,744.40

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Solution

The fourth proportional to 166,091.40, 249,104.70 and 53,744.40 is: 80,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,091.40 : 249,104.70 = 53,744.40 : x
  2. Step 2: Convert to fraction form
    166,091.40/249,104.70 = 53,744.40/x
  3. Step 3: Cross multiply
    166,091.40x = 249,104.70 × 53,744.40
  4. Step 4: Simplify right side
    166,091.40x = 13,387,982,638.68
  5. Step 5: Solve for x
    x = 13,387,982,638.68/166,091.40
  6. Step 6: Final answer
    x = 80,606.12

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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.