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Finding the Fourth Proportional to 104,101.34, 143,659.82 and 56,354.66

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Solution

The fourth proportional to 104,101.34, 143,659.82 and 56,354.66 is: 77,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101.34 : 143,659.82 = 56,354.66 : x
  2. Step 2: Convert to fraction form
    104,101.34/143,659.82 = 56,354.66/x
  3. Step 3: Cross multiply
    104,101.34x = 143,659.82 × 56,354.66
  4. Step 4: Simplify right side
    104,101.34x = 8,095,899,734.35
  5. Step 5: Solve for x
    x = 8,095,899,734.35/104,101.34
  6. Step 6: Final answer
    x = 77,769.41

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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.