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Finding the Fourth Proportional to 162,418.88, 243,576.48 and 51,584.96

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Solution

The fourth proportional to 162,418.88, 243,576.48 and 51,584.96 is: 77,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,418.88 : 243,576.48 = 51,584.96 : x
  2. Step 2: Convert to fraction form
    162,418.88/243,576.48 = 51,584.96/x
  3. Step 3: Cross multiply
    162,418.88x = 243,576.48 × 51,584.96
  4. Step 4: Simplify right side
    162,418.88x = 12,564,882,977.74
  5. Step 5: Solve for x
    x = 12,564,882,977.74/162,418.88
  6. Step 6: Final answer
    x = 77,360.98

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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.