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Finding the Fourth Proportional to 269,526.40, 404,289.60 and 92,017.60

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Solution

The fourth proportional to 269,526.40, 404,289.60 and 92,017.60 is: 138,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,526.40 : 404,289.60 = 92,017.60 : x
  2. Step 2: Convert to fraction form
    269,526.40/404,289.60 = 92,017.60/x
  3. Step 3: Cross multiply
    269,526.40x = 404,289.60 × 92,017.60
  4. Step 4: Simplify right side
    269,526.40x = 37,201,758,696.96
  5. Step 5: Solve for x
    x = 37,201,758,696.96/269,526.40
  6. Step 6: Final answer
    x = 138,026.40

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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.