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Finding the Fourth Proportional to 182,100.80, 273,005.40 and 76,833.20

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Solution

The fourth proportional to 182,100.80, 273,005.40 and 76,833.20 is: 115,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,100.80 : 273,005.40 = 76,833.20 : x
  2. Step 2: Convert to fraction form
    182,100.80/273,005.40 = 76,833.20/x
  3. Step 3: Cross multiply
    182,100.80x = 273,005.40 × 76,833.20
  4. Step 4: Simplify right side
    182,100.80x = 20,975,878,499.28
  5. Step 5: Solve for x
    x = 20,975,878,499.28/182,100.80
  6. Step 6: Final answer
    x = 115,188.28

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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.