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Finding the Fourth Proportional to 84,651.52, 116,812.80 and 46,404.94

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Solution

The fourth proportional to 84,651.52, 116,812.80 and 46,404.94 is: 64,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.52 : 116,812.80 = 46,404.94 : x
  2. Step 2: Convert to fraction form
    84,651.52/116,812.80 = 46,404.94/x
  3. Step 3: Cross multiply
    84,651.52x = 116,812.80 × 46,404.94
  4. Step 4: Simplify right side
    84,651.52x = 5,420,690,975.23
  5. Step 5: Solve for x
    x = 5,420,690,975.23/84,651.52
  6. Step 6: Final answer
    x = 64,035.36

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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.