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Finding the Fourth Proportional to 162,696.65, 224,526.06 and 91,076.27

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Solution

The fourth proportional to 162,696.65, 224,526.06 and 91,076.27 is: 125,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,696.65 : 224,526.06 = 91,076.27 : x
  2. Step 2: Convert to fraction form
    162,696.65/224,526.06 = 91,076.27/x
  3. Step 3: Cross multiply
    162,696.65x = 224,526.06 × 91,076.27
  4. Step 4: Simplify right side
    162,696.65x = 20,448,994,939.97
  5. Step 5: Solve for x
    x = 20,448,994,939.97/162,696.65
  6. Step 6: Final answer
    x = 125,687.87

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Why These Related Problems?

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