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Finding the Fourth Proportional to 162,100.66, 243,163.28 and 43,770.28

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Solution

The fourth proportional to 162,100.66, 243,163.28 and 43,770.28 is: 65,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,100.66 : 243,163.28 = 43,770.28 : x
  2. Step 2: Convert to fraction form
    162,100.66/243,163.28 = 43,770.28/x
  3. Step 3: Cross multiply
    162,100.66x = 243,163.28 × 43,770.28
  4. Step 4: Simplify right side
    162,100.66x = 10,643,324,851.32
  5. Step 5: Solve for x
    x = 10,643,324,851.32/162,100.66
  6. Step 6: Final answer
    x = 65,658.74

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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.