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Finding the Fourth Proportional to 162,353.30, 243,201.90 and 92,150.60

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Solution

The fourth proportional to 162,353.30, 243,201.90 and 92,150.60 is: 138,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.30 : 243,201.90 = 92,150.60 : x
  2. Step 2: Convert to fraction form
    162,353.30/243,201.90 = 92,150.60/x
  3. Step 3: Cross multiply
    162,353.30x = 243,201.90 × 92,150.60
  4. Step 4: Simplify right side
    162,353.30x = 22,411,201,006.14
  5. Step 5: Solve for x
    x = 22,411,201,006.14/162,353.30
  6. Step 6: Final answer
    x = 138,039.70

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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.