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Finding the Fourth Proportional to 243,622.94, 365,473.82 and 75,103.86

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Solution

The fourth proportional to 243,622.94, 365,473.82 and 75,103.86 is: 112,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,622.94 : 365,473.82 = 75,103.86 : x
  2. Step 2: Convert to fraction form
    243,622.94/365,473.82 = 75,103.86/x
  3. Step 3: Cross multiply
    243,622.94x = 365,473.82 × 75,103.86
  4. Step 4: Simplify right side
    243,622.94x = 27,448,494,113.44
  5. Step 5: Solve for x
    x = 27,448,494,113.44/243,622.94
  6. Step 6: Final answer
    x = 112,667.94

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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.