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Finding the Fourth Proportional to 84,026, 115,958.31 and 46,302.68

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Solution

The fourth proportional to 84,026, 115,958.31 and 46,302.68 is: 63,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,026 : 115,958.31 = 46,302.68 : x
  2. Step 2: Convert to fraction form
    84,026/115,958.31 = 46,302.68/x
  3. Step 3: Cross multiply
    84,026x = 115,958.31 × 46,302.68
  4. Step 4: Simplify right side
    84,026x = 5,369,180,521.27
  5. Step 5: Solve for x
    x = 5,369,180,521.27/84,026
  6. Step 6: Final answer
    x = 63,899.04

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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.