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Finding the Fourth Proportional to 104,697.46, 144,490.03 and 59,379.38

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Solution

The fourth proportional to 104,697.46, 144,490.03 and 59,379.38 is: 81,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,697.46 : 144,490.03 = 59,379.38 : x
  2. Step 2: Convert to fraction form
    104,697.46/144,490.03 = 59,379.38/x
  3. Step 3: Cross multiply
    104,697.46x = 144,490.03 × 59,379.38
  4. Step 4: Simplify right side
    104,697.46x = 8,579,728,068.52
  5. Step 5: Solve for x
    x = 8,579,728,068.52/104,697.46
  6. Step 6: Final answer
    x = 81,947.81

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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.