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Finding the Fourth Proportional to 156,800.52, 236,358 and 147,655.80

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Solution

The fourth proportional to 156,800.52, 236,358 and 147,655.80 is: 222,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,800.52 : 236,358 = 147,655.80 : x
  2. Step 2: Convert to fraction form
    156,800.52/236,358 = 147,655.80/x
  3. Step 3: Cross multiply
    156,800.52x = 236,358 × 147,655.80
  4. Step 4: Simplify right side
    156,800.52x = 34,899,629,576.40
  5. Step 5: Solve for x
    x = 34,899,629,576.40/156,800.52
  6. Step 6: Final answer
    x = 222,573.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.