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Finding the Fourth Proportional to 162,827.76, 224,700.96 and 91,208.44

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Solution

The fourth proportional to 162,827.76, 224,700.96 and 91,208.44 is: 125,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,827.76 : 224,700.96 = 91,208.44 : x
  2. Step 2: Convert to fraction form
    162,827.76/224,700.96 = 91,208.44/x
  3. Step 3: Cross multiply
    162,827.76x = 224,700.96 × 91,208.44
  4. Step 4: Simplify right side
    162,827.76x = 20,494,624,028.10
  5. Step 5: Solve for x
    x = 20,494,624,028.10/162,827.76
  6. Step 6: Final answer
    x = 125,866.89

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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.