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Finding the Fourth Proportional to 134,136.70, 200,974.65 and 63,864.70

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Solution

The fourth proportional to 134,136.70, 200,974.65 and 63,864.70 is: 95,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.70 : 200,974.65 = 63,864.70 : x
  2. Step 2: Convert to fraction form
    134,136.70/200,974.65 = 63,864.70/x
  3. Step 3: Cross multiply
    134,136.70x = 200,974.65 × 63,864.70
  4. Step 4: Simplify right side
    134,136.70x = 12,835,185,729.86
  5. Step 5: Solve for x
    x = 12,835,185,729.86/134,136.70
  6. Step 6: Final answer
    x = 95,687.35

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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.