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Finding the Fourth Proportional to 104,274.77, 143,898.80 and 58,334.51

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Solution

The fourth proportional to 104,274.77, 143,898.80 and 58,334.51 is: 80,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,274.77 : 143,898.80 = 58,334.51 : x
  2. Step 2: Convert to fraction form
    104,274.77/143,898.80 = 58,334.51/x
  3. Step 3: Cross multiply
    104,274.77x = 143,898.80 × 58,334.51
  4. Step 4: Simplify right side
    104,274.77x = 8,394,266,055.66
  5. Step 5: Solve for x
    x = 8,394,266,055.66/104,274.77
  6. Step 6: Final answer
    x = 80,501.41

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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.