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Finding the Fourth Proportional to 125,997.50, 189,024.21 and 46,035.29

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Solution

The fourth proportional to 125,997.50, 189,024.21 and 46,035.29 is: 69,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,997.50 : 189,024.21 = 46,035.29 : x
  2. Step 2: Convert to fraction form
    125,997.50/189,024.21 = 46,035.29/x
  3. Step 3: Cross multiply
    125,997.50x = 189,024.21 × 46,035.29
  4. Step 4: Simplify right side
    125,997.50x = 8,701,783,379.25
  5. Step 5: Solve for x
    x = 8,701,783,379.25/125,997.50
  6. Step 6: Final answer
    x = 69,063.15

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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.