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Finding the Fourth Proportional to 161,230.60, 241,554.30 and 131,487.40

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Solution

The fourth proportional to 161,230.60, 241,554.30 and 131,487.40 is: 196,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,230.60 : 241,554.30 = 131,487.40 : x
  2. Step 2: Convert to fraction form
    161,230.60/241,554.30 = 131,487.40/x
  3. Step 3: Cross multiply
    161,230.60x = 241,554.30 × 131,487.40
  4. Step 4: Simplify right side
    161,230.60x = 31,761,346,865.82
  5. Step 5: Solve for x
    x = 31,761,346,865.82/161,230.60
  6. Step 6: Final answer
    x = 196,993.29

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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.