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Finding the Fourth Proportional to 84,443.63, 116,334.95 and 58,904.46

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Solution

The fourth proportional to 84,443.63, 116,334.95 and 58,904.46 is: 81,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,443.63 : 116,334.95 = 58,904.46 : x
  2. Step 2: Convert to fraction form
    84,443.63/116,334.95 = 58,904.46/x
  3. Step 3: Cross multiply
    84,443.63x = 116,334.95 × 58,904.46
  4. Step 4: Simplify right side
    84,443.63x = 6,852,647,114.35
  5. Step 5: Solve for x
    x = 6,852,647,114.35/84,443.63
  6. Step 6: Final answer
    x = 81,150.56

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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.