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Finding the Fourth Proportional to 84,426.92, 116,458.38 and 55,746.84

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Solution

The fourth proportional to 84,426.92, 116,458.38 and 55,746.84 is: 76,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,426.92 : 116,458.38 = 55,746.84 : x
  2. Step 2: Convert to fraction form
    84,426.92/116,458.38 = 55,746.84/x
  3. Step 3: Cross multiply
    84,426.92x = 116,458.38 × 55,746.84
  4. Step 4: Simplify right side
    84,426.92x = 6,492,186,676.52
  5. Step 5: Solve for x
    x = 6,492,186,676.52/84,426.92
  6. Step 6: Final answer
    x = 76,897.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.