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Finding the Fourth Proportional to 117,773.91, 162,474.39 and 70,000.11

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Solution

The fourth proportional to 117,773.91, 162,474.39 and 70,000.11 is: 96,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.91 : 162,474.39 = 70,000.11 : x
  2. Step 2: Convert to fraction form
    117,773.91/162,474.39 = 70,000.11/x
  3. Step 3: Cross multiply
    117,773.91x = 162,474.39 × 70,000.11
  4. Step 4: Simplify right side
    117,773.91x = 11,373,225,172.18
  5. Step 5: Solve for x
    x = 11,373,225,172.18/117,773.91
  6. Step 6: Final answer
    x = 96,568.29

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Why These Related Problems?

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