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Finding the Fourth Proportional to 275,155.58, 412,690.80 and 113,066.06

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Solution

The fourth proportional to 275,155.58, 412,690.80 and 113,066.06 is: 169,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,155.58 : 412,690.80 = 113,066.06 : x
  2. Step 2: Convert to fraction form
    275,155.58/412,690.80 = 113,066.06/x
  3. Step 3: Cross multiply
    275,155.58x = 412,690.80 × 113,066.06
  4. Step 4: Simplify right side
    275,155.58x = 46,661,322,754.25
  5. Step 5: Solve for x
    x = 46,661,322,754.25/275,155.58
  6. Step 6: Final answer
    x = 169,581.60

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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.