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Finding the Fourth Proportional to 125,671.54, 173,422.32 and 69,082.51

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Solution

The fourth proportional to 125,671.54, 173,422.32 and 69,082.51 is: 95,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671.54 : 173,422.32 = 69,082.51 : x
  2. Step 2: Convert to fraction form
    125,671.54/173,422.32 = 69,082.51/x
  3. Step 3: Cross multiply
    125,671.54x = 173,422.32 × 69,082.51
  4. Step 4: Simplify right side
    125,671.54x = 11,980,449,155.62
  5. Step 5: Solve for x
    x = 11,980,449,155.62/125,671.54
  6. Step 6: Final answer
    x = 95,331.44

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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.