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Finding the Fourth Proportional to 102,236, 141,088.82 and 55,671.96

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Solution

The fourth proportional to 102,236, 141,088.82 and 55,671.96 is: 76,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236 : 141,088.82 = 55,671.96 : x
  2. Step 2: Convert to fraction form
    102,236/141,088.82 = 55,671.96/x
  3. Step 3: Cross multiply
    102,236x = 141,088.82 × 55,671.96
  4. Step 4: Simplify right side
    102,236x = 7,854,691,143.49
  5. Step 5: Solve for x
    x = 7,854,691,143.49/102,236
  6. Step 6: Final answer
    x = 76,829.01

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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.