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Finding the Fourth Proportional to 162,246.80, 243,139.80 and 119,795.60

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Solution

The fourth proportional to 162,246.80, 243,139.80 and 119,795.60 is: 179,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,246.80 : 243,139.80 = 119,795.60 : x
  2. Step 2: Convert to fraction form
    162,246.80/243,139.80 = 119,795.60/x
  3. Step 3: Cross multiply
    162,246.80x = 243,139.80 × 119,795.60
  4. Step 4: Simplify right side
    162,246.80x = 29,127,078,224.88
  5. Step 5: Solve for x
    x = 29,127,078,224.88/162,246.80
  6. Step 6: Final answer
    x = 179,523.28

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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.