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Finding the Fourth Proportional to 84,260.63, 116,332.26 and 53,651

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Solution

The fourth proportional to 84,260.63, 116,332.26 and 53,651 is: 74,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,260.63 : 116,332.26 = 53,651 : x
  2. Step 2: Convert to fraction form
    84,260.63/116,332.26 = 53,651/x
  3. Step 3: Cross multiply
    84,260.63x = 116,332.26 × 53,651
  4. Step 4: Simplify right side
    84,260.63x = 6,241,342,081.26
  5. Step 5: Solve for x
    x = 6,241,342,081.26/84,260.63
  6. Step 6: Final answer
    x = 74,071.87

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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.