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Finding the Fourth Proportional to 84,028.66, 115,965.17 and 46,302.91

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Solution

The fourth proportional to 84,028.66, 115,965.17 and 46,302.91 is: 63,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,028.66 : 115,965.17 = 46,302.91 : x
  2. Step 2: Convert to fraction form
    84,028.66/115,965.17 = 46,302.91/x
  3. Step 3: Cross multiply
    84,028.66x = 115,965.17 × 46,302.91
  4. Step 4: Simplify right side
    84,028.66x = 5,369,524,829.64
  5. Step 5: Solve for x
    x = 5,369,524,829.64/84,028.66
  6. Step 6: Final answer
    x = 63,901.11

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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.