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Finding the Fourth Proportional to 165,798.30, 248,697.45 and 136,273.80

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Solution

The fourth proportional to 165,798.30, 248,697.45 and 136,273.80 is: 204,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,798.30 : 248,697.45 = 136,273.80 : x
  2. Step 2: Convert to fraction form
    165,798.30/248,697.45 = 136,273.80/x
  3. Step 3: Cross multiply
    165,798.30x = 248,697.45 × 136,273.80
  4. Step 4: Simplify right side
    165,798.30x = 33,890,946,561.81
  5. Step 5: Solve for x
    x = 33,890,946,561.81/165,798.30
  6. Step 6: Final answer
    x = 204,410.70

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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.