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Finding the Fourth Proportional to 156,777.22, 235,204.90 and 45,969.22

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Solution

The fourth proportional to 156,777.22, 235,204.90 and 45,969.22 is: 68,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.22 : 235,204.90 = 45,969.22 : x
  2. Step 2: Convert to fraction form
    156,777.22/235,204.90 = 45,969.22/x
  3. Step 3: Cross multiply
    156,777.22x = 235,204.90 × 45,969.22
  4. Step 4: Simplify right side
    156,777.22x = 10,812,185,793.18
  5. Step 5: Solve for x
    x = 10,812,185,793.18/156,777.22
  6. Step 6: Final answer
    x = 68,965.29

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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.