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Finding the Fourth Proportional to 166,415.96, 249,614.22 and 48,084.68

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Solution

The fourth proportional to 166,415.96, 249,614.22 and 48,084.68 is: 72,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415.96 : 249,614.22 = 48,084.68 : x
  2. Step 2: Convert to fraction form
    166,415.96/249,614.22 = 48,084.68/x
  3. Step 3: Cross multiply
    166,415.96x = 249,614.22 × 48,084.68
  4. Step 4: Simplify right side
    166,415.96x = 12,002,619,892.15
  5. Step 5: Solve for x
    x = 12,002,619,892.15/166,415.96
  6. Step 6: Final answer
    x = 72,124.21

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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.