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Finding the Fourth Proportional to 241,242.70, 361,864.98 and 100,902.88

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Solution

The fourth proportional to 241,242.70, 361,864.98 and 100,902.88 is: 151,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,242.70 : 361,864.98 = 100,902.88 : x
  2. Step 2: Convert to fraction form
    241,242.70/361,864.98 = 100,902.88/x
  3. Step 3: Cross multiply
    241,242.70x = 361,864.98 × 100,902.88
  4. Step 4: Simplify right side
    241,242.70x = 36,513,218,653.14
  5. Step 5: Solve for x
    x = 36,513,218,653.14/241,242.70
  6. Step 6: Final answer
    x = 151,354.71

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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.