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Finding the Fourth Proportional to 149,641.70, 223,814.55 and 133,960.10

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Solution

The fourth proportional to 149,641.70, 223,814.55 and 133,960.10 is: 200,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,641.70 : 223,814.55 = 133,960.10 : x
  2. Step 2: Convert to fraction form
    149,641.70/223,814.55 = 133,960.10/x
  3. Step 3: Cross multiply
    149,641.70x = 223,814.55 × 133,960.10
  4. Step 4: Simplify right side
    149,641.70x = 29,982,219,499.46
  5. Step 5: Solve for x
    x = 29,982,219,499.46/149,641.70
  6. Step 6: Final answer
    x = 200,360.06

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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.