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Finding the Fourth Proportional to 269,000.08, 403,806.30 and 136,030.48

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Solution

The fourth proportional to 269,000.08, 403,806.30 and 136,030.48 is: 204,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,000.08 : 403,806.30 = 136,030.48 : x
  2. Step 2: Convert to fraction form
    269,000.08/403,806.30 = 136,030.48/x
  3. Step 3: Cross multiply
    269,000.08x = 403,806.30 × 136,030.48
  4. Step 4: Simplify right side
    269,000.08x = 54,929,964,816.02
  5. Step 5: Solve for x
    x = 54,929,964,816.02/269,000.08
  6. Step 6: Final answer
    x = 204,200.55

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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.