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Finding the Fourth Proportional to 241,575.12, 362,139.12 and 91,770.48

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Solution

The fourth proportional to 241,575.12, 362,139.12 and 91,770.48 is: 137,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,575.12 : 362,139.12 = 91,770.48 : x
  2. Step 2: Convert to fraction form
    241,575.12/362,139.12 = 91,770.48/x
  3. Step 3: Cross multiply
    241,575.12x = 362,139.12 × 91,770.48
  4. Step 4: Simplify right side
    241,575.12x = 33,233,680,869.18
  5. Step 5: Solve for x
    x = 33,233,680,869.18/241,575.12
  6. Step 6: Final answer
    x = 137,570.79

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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.