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Finding the Fourth Proportional to 243,141.28, 364,765.82 and 93,381.59

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Solution

The fourth proportional to 243,141.28, 364,765.82 and 93,381.59 is: 140,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,141.28 : 364,765.82 = 93,381.59 : x
  2. Step 2: Convert to fraction form
    243,141.28/364,765.82 = 93,381.59/x
  3. Step 3: Cross multiply
    243,141.28x = 364,765.82 × 93,381.59
  4. Step 4: Simplify right side
    243,141.28x = 34,062,412,694.26
  5. Step 5: Solve for x
    x = 34,062,412,694.26/243,141.28
  6. Step 6: Final answer
    x = 140,093.09

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1.5x scale

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.