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Finding the Fourth Proportional to 240,983.96, 361,479.58 and 91,293.56

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Solution

The fourth proportional to 240,983.96, 361,479.58 and 91,293.56 is: 136,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,983.96 : 361,479.58 = 91,293.56 : x
  2. Step 2: Convert to fraction form
    240,983.96/361,479.58 = 91,293.56/x
  3. Step 3: Cross multiply
    240,983.96x = 361,479.58 × 91,293.56
  4. Step 4: Simplify right side
    240,983.96x = 33,000,757,725.50
  5. Step 5: Solve for x
    x = 33,000,757,725.50/240,983.96
  6. Step 6: Final answer
    x = 136,941.72

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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.