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Finding the Fourth Proportional to 201,714.70, 302,572.05 and 192,857.35

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Solution

The fourth proportional to 201,714.70, 302,572.05 and 192,857.35 is: 289,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,714.70 : 302,572.05 = 192,857.35 : x
  2. Step 2: Convert to fraction form
    201,714.70/302,572.05 = 192,857.35/x
  3. Step 3: Cross multiply
    201,714.70x = 302,572.05 × 192,857.35
  4. Step 4: Simplify right side
    201,714.70x = 58,353,243,747.07
  5. Step 5: Solve for x
    x = 58,353,243,747.07/201,714.70
  6. Step 6: Final answer
    x = 289,286.03

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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.