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Finding the Fourth Proportional to 84,565.49, 116,671.94 and 48,754.72

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Solution

The fourth proportional to 84,565.49, 116,671.94 and 48,754.72 is: 67,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,565.49 : 116,671.94 = 48,754.72 : x
  2. Step 2: Convert to fraction form
    84,565.49/116,671.94 = 48,754.72/x
  3. Step 3: Cross multiply
    84,565.49x = 116,671.94 × 48,754.72
  4. Step 4: Simplify right side
    84,565.49x = 5,688,307,183.20
  5. Step 5: Solve for x
    x = 5,688,307,183.20/84,565.49
  6. Step 6: Final answer
    x = 67,265.11

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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.