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Finding the Fourth Proportional to 182,878.80, 274,145.40 and 108,056.40

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Solution

The fourth proportional to 182,878.80, 274,145.40 and 108,056.40 is: 161,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,878.80 : 274,145.40 = 108,056.40 : x
  2. Step 2: Convert to fraction form
    182,878.80/274,145.40 = 108,056.40/x
  3. Step 3: Cross multiply
    182,878.80x = 274,145.40 × 108,056.40
  4. Step 4: Simplify right side
    182,878.80x = 29,623,165,000.56
  5. Step 5: Solve for x
    x = 29,623,165,000.56/182,878.80
  6. Step 6: Final answer
    x = 161,982.50

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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.