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Finding the Fourth Proportional to 202,470.70, 303,706.05 and 91,662.70

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Solution

The fourth proportional to 202,470.70, 303,706.05 and 91,662.70 is: 137,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,470.70 : 303,706.05 = 91,662.70 : x
  2. Step 2: Convert to fraction form
    202,470.70/303,706.05 = 91,662.70/x
  3. Step 3: Cross multiply
    202,470.70x = 303,706.05 × 91,662.70
  4. Step 4: Simplify right side
    202,470.70x = 27,838,516,549.34
  5. Step 5: Solve for x
    x = 27,838,516,549.34/202,470.70
  6. Step 6: Final answer
    x = 137,494.05

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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.