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Finding the Fourth Proportional to 105,774.39, 158,450.04 and 63,631.26

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Solution

The fourth proportional to 105,774.39, 158,450.04 and 63,631.26 is: 95,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.39 : 158,450.04 = 63,631.26 : x
  2. Step 2: Convert to fraction form
    105,774.39/158,450.04 = 63,631.26/x
  3. Step 3: Cross multiply
    105,774.39x = 158,450.04 × 63,631.26
  4. Step 4: Simplify right side
    105,774.39x = 10,082,375,692.25
  5. Step 5: Solve for x
    x = 10,082,375,692.25/105,774.39
  6. Step 6: Final answer
    x = 95,319.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.