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Finding the Fourth Proportional to 119,245.38, 164,551.95 and 71,474.82

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Solution

The fourth proportional to 119,245.38, 164,551.95 and 71,474.82 is: 98,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,245.38 : 164,551.95 = 71,474.82 : x
  2. Step 2: Convert to fraction form
    119,245.38/164,551.95 = 71,474.82/x
  3. Step 3: Cross multiply
    119,245.38x = 164,551.95 × 71,474.82
  4. Step 4: Simplify right side
    119,245.38x = 11,761,321,006.90
  5. Step 5: Solve for x
    x = 11,761,321,006.90/119,245.38
  6. Step 6: Final answer
    x = 98,631.25

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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.