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Finding the Fourth Proportional to 166,445.40, 249,627.60 and 48,104.40

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Solution

The fourth proportional to 166,445.40, 249,627.60 and 48,104.40 is: 72,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,445.40 : 249,627.60 = 48,104.40 : x
  2. Step 2: Convert to fraction form
    166,445.40/249,627.60 = 48,104.40/x
  3. Step 3: Cross multiply
    166,445.40x = 249,627.60 × 48,104.40
  4. Step 4: Simplify right side
    166,445.40x = 12,008,185,921.44
  5. Step 5: Solve for x
    x = 12,008,185,921.44/166,445.40
  6. Step 6: Final answer
    x = 72,144.90

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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.