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Finding the Fourth Proportional to 133,901.81, 200,851.79 and 34,060.70

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Solution

The fourth proportional to 133,901.81, 200,851.79 and 34,060.70 is: 51,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,901.81 : 200,851.79 = 34,060.70 : x
  2. Step 2: Convert to fraction form
    133,901.81/200,851.79 = 34,060.70/x
  3. Step 3: Cross multiply
    133,901.81x = 200,851.79 × 34,060.70
  4. Step 4: Simplify right side
    133,901.81x = 6,841,151,389.09
  5. Step 5: Solve for x
    x = 6,841,151,389.09/133,901.81
  6. Step 6: Final answer
    x = 51,090.81

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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.