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Finding the Fourth Proportional to 84,367, 116,428.89 and 46,643.68

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Solution

The fourth proportional to 84,367, 116,428.89 and 46,643.68 is: 64,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367 : 116,428.89 = 46,643.68 : x
  2. Step 2: Convert to fraction form
    84,367/116,428.89 = 46,643.68/x
  3. Step 3: Cross multiply
    84,367x = 116,428.89 × 46,643.68
  4. Step 4: Simplify right side
    84,367x = 5,430,671,887.92
  5. Step 5: Solve for x
    x = 5,430,671,887.92/84,367
  6. Step 6: Final answer
    x = 64,369.62

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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.