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Finding the Fourth Proportional to 125,954.39, 173,809.06 and 69,365.77

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Solution

The fourth proportional to 125,954.39, 173,809.06 and 69,365.77 is: 95,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954.39 : 173,809.06 = 69,365.77 : x
  2. Step 2: Convert to fraction form
    125,954.39/173,809.06 = 69,365.77/x
  3. Step 3: Cross multiply
    125,954.39x = 173,809.06 × 69,365.77
  4. Step 4: Simplify right side
    125,954.39x = 12,056,398,671.94
  5. Step 5: Solve for x
    x = 12,056,398,671.94/125,954.39
  6. Step 6: Final answer
    x = 95,720.35

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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.