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Finding the Fourth Proportional to 227,204.22, 340,807.12 and 69,432

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Solution

The fourth proportional to 227,204.22, 340,807.12 and 69,432 is: 104,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,204.22 : 340,807.12 = 69,432 : x
  2. Step 2: Convert to fraction form
    227,204.22/340,807.12 = 69,432/x
  3. Step 3: Cross multiply
    227,204.22x = 340,807.12 × 69,432
  4. Step 4: Simplify right side
    227,204.22x = 23,662,919,955.84
  5. Step 5: Solve for x
    x = 23,662,919,955.84/227,204.22
  6. Step 6: Final answer
    x = 104,148.24

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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.