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Finding the Fourth Proportional to 161,759.52, 242,672.09 and 56,652.30

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Solution

The fourth proportional to 161,759.52, 242,672.09 and 56,652.30 is: 84,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,759.52 : 242,672.09 = 56,652.30 : x
  2. Step 2: Convert to fraction form
    161,759.52/242,672.09 = 56,652.30/x
  3. Step 3: Cross multiply
    161,759.52x = 242,672.09 × 56,652.30
  4. Step 4: Simplify right side
    161,759.52x = 13,747,931,761.05
  5. Step 5: Solve for x
    x = 13,747,931,761.05/161,759.52
  6. Step 6: Final answer
    x = 84,989.94

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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.