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Finding the Fourth Proportional to 119,444.97, 164,910.90 and 74,188.44

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Solution

The fourth proportional to 119,444.97, 164,910.90 and 74,188.44 is: 102,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,444.97 : 164,910.90 = 74,188.44 : x
  2. Step 2: Convert to fraction form
    119,444.97/164,910.90 = 74,188.44/x
  3. Step 3: Cross multiply
    119,444.97x = 164,910.90 × 74,188.44
  4. Step 4: Simplify right side
    119,444.97x = 12,234,482,410.00
  5. Step 5: Solve for x
    x = 12,234,482,410.00/119,444.97
  6. Step 6: Final answer
    x = 102,427.77

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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.