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Finding the Fourth Proportional to 104,322.36, 143,963.01 and 58,998.81

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Solution

The fourth proportional to 104,322.36, 143,963.01 and 58,998.81 is: 81,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,322.36 : 143,963.01 = 58,998.81 : x
  2. Step 2: Convert to fraction form
    104,322.36/143,963.01 = 58,998.81/x
  3. Step 3: Cross multiply
    104,322.36x = 143,963.01 × 58,998.81
  4. Step 4: Simplify right side
    104,322.36x = 8,493,646,274.02
  5. Step 5: Solve for x
    x = 8,493,646,274.02/104,322.36
  6. Step 6: Final answer
    x = 81,417.31

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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.