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Finding the Fourth Proportional to 125,455.56, 173,128.24 and 68,094.88

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Solution

The fourth proportional to 125,455.56, 173,128.24 and 68,094.88 is: 93,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,455.56 : 173,128.24 = 68,094.88 : x
  2. Step 2: Convert to fraction form
    125,455.56/173,128.24 = 68,094.88/x
  3. Step 3: Cross multiply
    125,455.56x = 173,128.24 × 68,094.88
  4. Step 4: Simplify right side
    125,455.56x = 11,789,145,996.68
  5. Step 5: Solve for x
    x = 11,789,145,996.68/125,455.56
  6. Step 6: Final answer
    x = 93,970.69

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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.