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Finding the Fourth Proportional to 104,069, 143,614.94 and 56,322.34

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Solution

The fourth proportional to 104,069, 143,614.94 and 56,322.34 is: 77,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069 : 143,614.94 = 56,322.34 : x
  2. Step 2: Convert to fraction form
    104,069/143,614.94 = 56,322.34/x
  3. Step 3: Cross multiply
    104,069x = 143,614.94 × 56,322.34
  4. Step 4: Simplify right side
    104,069x = 8,088,729,479.76
  5. Step 5: Solve for x
    x = 8,088,729,479.76/104,069
  6. Step 6: Final answer
    x = 77,724.68

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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.