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Finding the Fourth Proportional to 104,094.39, 143,650.34 and 56,347.59

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Solution

The fourth proportional to 104,094.39, 143,650.34 and 56,347.59 is: 77,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,094.39 : 143,650.34 = 56,347.59 : x
  2. Step 2: Convert to fraction form
    104,094.39/143,650.34 = 56,347.59/x
  3. Step 3: Cross multiply
    104,094.39x = 143,650.34 × 56,347.59
  4. Step 4: Simplify right side
    104,094.39x = 8,094,350,179.94
  5. Step 5: Solve for x
    x = 8,094,350,179.94/104,094.39
  6. Step 6: Final answer
    x = 77,759.72

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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.