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Finding the Fourth Proportional to 341,041.60, 511,561.60 and 91,723.84

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Solution

The fourth proportional to 341,041.60, 511,561.60 and 91,723.84 is: 137,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,041.60 : 511,561.60 = 91,723.84 : x
  2. Step 2: Convert to fraction form
    341,041.60/511,561.60 = 91,723.84/x
  3. Step 3: Cross multiply
    341,041.60x = 511,561.60 × 91,723.84
  4. Step 4: Simplify right side
    341,041.60x = 46,922,394,348.54
  5. Step 5: Solve for x
    x = 46,922,394,348.54/341,041.60
  6. Step 6: Final answer
    x = 137,585.54

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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.