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Finding the Fourth Proportional to 133,814.96, 200,722.77 and 45,130.76

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Solution

The fourth proportional to 133,814.96, 200,722.77 and 45,130.76 is: 67,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,814.96 : 200,722.77 = 45,130.76 : x
  2. Step 2: Convert to fraction form
    133,814.96/200,722.77 = 45,130.76/x
  3. Step 3: Cross multiply
    133,814.96x = 200,722.77 × 45,130.76
  4. Step 4: Simplify right side
    133,814.96x = 9,058,770,155.79
  5. Step 5: Solve for x
    x = 9,058,770,155.79/133,814.96
  6. Step 6: Final answer
    x = 67,696.25

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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.