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Finding the Fourth Proportional to 363,993.84, 546,068.52 and 127,344.24

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Solution

The fourth proportional to 363,993.84, 546,068.52 and 127,344.24 is: 191,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,993.84 : 546,068.52 = 127,344.24 : x
  2. Step 2: Convert to fraction form
    363,993.84/546,068.52 = 127,344.24/x
  3. Step 3: Cross multiply
    363,993.84x = 546,068.52 × 127,344.24
  4. Step 4: Simplify right side
    363,993.84x = 69,538,680,667.32
  5. Step 5: Solve for x
    x = 69,538,680,667.32/363,993.84
  6. Step 6: Final answer
    x = 191,043.56

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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.