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Finding the Fourth Proportional to 165,034.40, 247,551.60 and 40,375.40

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Solution

The fourth proportional to 165,034.40, 247,551.60 and 40,375.40 is: 60,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,034.40 : 247,551.60 = 40,375.40 : x
  2. Step 2: Convert to fraction form
    165,034.40/247,551.60 = 40,375.40/x
  3. Step 3: Cross multiply
    165,034.40x = 247,551.60 × 40,375.40
  4. Step 4: Simplify right side
    165,034.40x = 9,994,994,870.64
  5. Step 5: Solve for x
    x = 9,994,994,870.64/165,034.40
  6. Step 6: Final answer
    x = 60,563.10

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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.