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Finding the Fourth Proportional to 269,763.60, 404,807.40 and 111,975.60

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Solution

The fourth proportional to 269,763.60, 404,807.40 and 111,975.60 is: 168,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,763.60 : 404,807.40 = 111,975.60 : x
  2. Step 2: Convert to fraction form
    269,763.60/404,807.40 = 111,975.60/x
  3. Step 3: Cross multiply
    269,763.60x = 404,807.40 × 111,975.60
  4. Step 4: Simplify right side
    269,763.60x = 45,328,551,499.44
  5. Step 5: Solve for x
    x = 45,328,551,499.44/269,763.60
  6. Step 6: Final answer
    x = 168,030.64

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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.