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Finding the Fourth Proportional to 133,761.50, 200,658.99 and 49,507.46

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Solution

The fourth proportional to 133,761.50, 200,658.99 and 49,507.46 is: 74,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,761.50 : 200,658.99 = 49,507.46 : x
  2. Step 2: Convert to fraction form
    133,761.50/200,658.99 = 49,507.46/x
  3. Step 3: Cross multiply
    133,761.50x = 200,658.99 × 49,507.46
  4. Step 4: Simplify right side
    133,761.50x = 9,934,116,921.07
  5. Step 5: Solve for x
    x = 9,934,116,921.07/133,761.50
  6. Step 6: Final answer
    x = 74,267.39

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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.