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Finding the Fourth Proportional to 464,201.55, 696,227.58 and 127,163.39

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Solution

The fourth proportional to 464,201.55, 696,227.58 and 127,163.39 is: 190,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,201.55 : 696,227.58 = 127,163.39 : x
  2. Step 2: Convert to fraction form
    464,201.55/696,227.58 = 127,163.39/x
  3. Step 3: Cross multiply
    464,201.55x = 696,227.58 × 127,163.39
  4. Step 4: Simplify right side
    464,201.55x = 88,534,655,803.16
  5. Step 5: Solve for x
    x = 88,534,655,803.16/464,201.55
  6. Step 6: Final answer
    x = 190,724.60

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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.