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Finding the Fourth Proportional to 88,898, 122,679.24 and 49,154

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Solution

The fourth proportional to 88,898, 122,679.24 and 49,154 is: 67,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898 : 122,679.24 = 49,154 : x
  2. Step 2: Convert to fraction form
    88,898/122,679.24 = 49,154/x
  3. Step 3: Cross multiply
    88,898x = 122,679.24 × 49,154
  4. Step 4: Simplify right side
    88,898x = 6,030,175,362.96
  5. Step 5: Solve for x
    x = 6,030,175,362.96/88,898
  6. Step 6: Final answer
    x = 67,832.52

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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.