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Finding the Fourth Proportional to 86,558, 119,450.04 and 46,814

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Solution

The fourth proportional to 86,558, 119,450.04 and 46,814 is: 64,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,558 : 119,450.04 = 46,814 : x
  2. Step 2: Convert to fraction form
    86,558/119,450.04 = 46,814/x
  3. Step 3: Cross multiply
    86,558x = 119,450.04 × 46,814
  4. Step 4: Simplify right side
    86,558x = 5,591,934,172.56
  5. Step 5: Solve for x
    x = 5,591,934,172.56/86,558
  6. Step 6: Final answer
    x = 64,603.32

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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.