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Finding the Fourth Proportional to 133,655.48, 200,342.76 and 49,361.92

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Solution

The fourth proportional to 133,655.48, 200,342.76 and 49,361.92 is: 73,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,655.48 : 200,342.76 = 49,361.92 : x
  2. Step 2: Convert to fraction form
    133,655.48/200,342.76 = 49,361.92/x
  3. Step 3: Cross multiply
    133,655.48x = 200,342.76 × 49,361.92
  4. Step 4: Simplify right side
    133,655.48x = 9,889,303,291.70
  5. Step 5: Solve for x
    x = 9,889,303,291.70/133,655.48
  6. Step 6: Final answer
    x = 73,991.01

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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.