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Finding the Fourth Proportional to 166,104, 249,259.68 and 67,608

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Solution

The fourth proportional to 166,104, 249,259.68 and 67,608 is: 101,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,104 : 249,259.68 = 67,608 : x
  2. Step 2: Convert to fraction form
    166,104/249,259.68 = 67,608/x
  3. Step 3: Cross multiply
    166,104x = 249,259.68 × 67,608
  4. Step 4: Simplify right side
    166,104x = 16,851,948,445.44
  5. Step 5: Solve for x
    x = 16,851,948,445.44/166,104
  6. Step 6: Final answer
    x = 101,454.20

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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.