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Finding the Fourth Proportional to 322,803.60, 484,260.54 and 133,160.29

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Solution

The fourth proportional to 322,803.60, 484,260.54 and 133,160.29 is: 199,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,803.60 : 484,260.54 = 133,160.29 : x
  2. Step 2: Convert to fraction form
    322,803.60/484,260.54 = 133,160.29/x
  3. Step 3: Cross multiply
    322,803.60x = 484,260.54 × 133,160.29
  4. Step 4: Simplify right side
    322,803.60x = 64,484,273,941.96
  5. Step 5: Solve for x
    x = 64,484,273,941.96/322,803.60
  6. Step 6: Final answer
    x = 199,763.18

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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.