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Finding the Fourth Proportional to 125,194.56, 172,768.22 and 67,835.44

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Solution

The fourth proportional to 125,194.56, 172,768.22 and 67,835.44 is: 93,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,194.56 : 172,768.22 = 67,835.44 : x
  2. Step 2: Convert to fraction form
    125,194.56/172,768.22 = 67,835.44/x
  3. Step 3: Cross multiply
    125,194.56x = 172,768.22 × 67,835.44
  4. Step 4: Simplify right side
    125,194.56x = 11,719,808,526.53
  5. Step 5: Solve for x
    x = 11,719,808,526.53/125,194.56
  6. Step 6: Final answer
    x = 93,612.76

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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.