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Finding the Fourth Proportional to 84,356, 116,401.20 and 46,625.12

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Solution

The fourth proportional to 84,356, 116,401.20 and 46,625.12 is: 64,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,356 : 116,401.20 = 46,625.12 : x
  2. Step 2: Convert to fraction form
    84,356/116,401.20 = 46,625.12/x
  3. Step 3: Cross multiply
    84,356x = 116,401.20 × 46,625.12
  4. Step 4: Simplify right side
    84,356x = 5,427,219,918.14
  5. Step 5: Solve for x
    x = 5,427,219,918.14/84,356
  6. Step 6: Final answer
    x = 64,337.09

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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.