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Finding the Fourth Proportional to 133,954.38, 200,931.57 and 63,620.46

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Solution

The fourth proportional to 133,954.38, 200,931.57 and 63,620.46 is: 95,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,954.38 : 200,931.57 = 63,620.46 : x
  2. Step 2: Convert to fraction form
    133,954.38/200,931.57 = 63,620.46/x
  3. Step 3: Cross multiply
    133,954.38x = 200,931.57 × 63,620.46
  4. Step 4: Simplify right side
    133,954.38x = 12,783,358,911.92
  5. Step 5: Solve for x
    x = 12,783,358,911.92/133,954.38
  6. Step 6: Final answer
    x = 95,430.69

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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.