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Finding the Fourth Proportional to 227,459.28, 340,489.08 and 148,403.28

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Solution

The fourth proportional to 227,459.28, 340,489.08 and 148,403.28 is: 222,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,459.28 : 340,489.08 = 148,403.28 : x
  2. Step 2: Convert to fraction form
    227,459.28/340,489.08 = 148,403.28/x
  3. Step 3: Cross multiply
    227,459.28x = 340,489.08 × 148,403.28
  4. Step 4: Simplify right side
    227,459.28x = 50,529,696,276.18
  5. Step 5: Solve for x
    x = 50,529,696,276.18/227,459.28
  6. Step 6: Final answer
    x = 222,148.32

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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.