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Finding the Fourth Proportional to 84,309.59, 116,371.47 and 55,650.17

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Solution

The fourth proportional to 84,309.59, 116,371.47 and 55,650.17 is: 76,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.59 : 116,371.47 = 55,650.17 : x
  2. Step 2: Convert to fraction form
    84,309.59/116,371.47 = 55,650.17/x
  3. Step 3: Cross multiply
    84,309.59x = 116,371.47 × 55,650.17
  4. Step 4: Simplify right side
    84,309.59x = 6,476,092,088.65
  5. Step 5: Solve for x
    x = 6,476,092,088.65/84,309.59
  6. Step 6: Final answer
    x = 76,813.23

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1.5x scale

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.