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Finding the Fourth Proportional to 162,644.45, 224,472.96 and 93,720.53

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Solution

The fourth proportional to 162,644.45, 224,472.96 and 93,720.53 is: 129,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,644.45 : 224,472.96 = 93,720.53 : x
  2. Step 2: Convert to fraction form
    162,644.45/224,472.96 = 93,720.53/x
  3. Step 3: Cross multiply
    162,644.45x = 224,472.96 × 93,720.53
  4. Step 4: Simplify right side
    162,644.45x = 21,037,723,659.50
  5. Step 5: Solve for x
    x = 21,037,723,659.50/162,644.45
  6. Step 6: Final answer
    x = 129,347.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.