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Finding the Fourth Proportional to 84,193.71, 116,225.11 and 55,530.24

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Solution

The fourth proportional to 84,193.71, 116,225.11 and 55,530.24 is: 76,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,193.71 : 116,225.11 = 55,530.24 : x
  2. Step 2: Convert to fraction form
    84,193.71/116,225.11 = 55,530.24/x
  3. Step 3: Cross multiply
    84,193.71x = 116,225.11 × 55,530.24
  4. Step 4: Simplify right side
    84,193.71x = 6,454,008,252.33
  5. Step 5: Solve for x
    x = 6,454,008,252.33/84,193.71
  6. Step 6: Final answer
    x = 76,656.66

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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.