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Finding the Fourth Proportional to 243,512.28, 336,260.74 and 153,025

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Solution

The fourth proportional to 243,512.28, 336,260.74 and 153,025 is: 211,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,512.28 : 336,260.74 = 153,025 : x
  2. Step 2: Convert to fraction form
    243,512.28/336,260.74 = 153,025/x
  3. Step 3: Cross multiply
    243,512.28x = 336,260.74 × 153,025
  4. Step 4: Simplify right side
    243,512.28x = 51,456,299,738.50
  5. Step 5: Solve for x
    x = 51,456,299,738.50/243,512.28
  6. Step 6: Final answer
    x = 211,308.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.