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Finding the Fourth Proportional to 125,954.80, 173,809.73 and 69,366.17

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Solution

The fourth proportional to 125,954.80, 173,809.73 and 69,366.17 is: 95,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954.80 : 173,809.73 = 69,366.17 : x
  2. Step 2: Convert to fraction form
    125,954.80/173,809.73 = 69,366.17/x
  3. Step 3: Cross multiply
    125,954.80x = 173,809.73 × 69,366.17
  4. Step 4: Simplify right side
    125,954.80x = 12,056,515,886.77
  5. Step 5: Solve for x
    x = 12,056,515,886.77/125,954.80
  6. Step 6: Final answer
    x = 95,720.97

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1.5x scale

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.