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Finding the Fourth Proportional to 133,035.40, 199,617.90 and 101,434.60

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Solution

The fourth proportional to 133,035.40, 199,617.90 and 101,434.60 is: 152,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.40 : 199,617.90 = 101,434.60 : x
  2. Step 2: Convert to fraction form
    133,035.40/199,617.90 = 101,434.60/x
  3. Step 3: Cross multiply
    133,035.40x = 199,617.90 × 101,434.60
  4. Step 4: Simplify right side
    133,035.40x = 20,248,161,839.34
  5. Step 5: Solve for x
    x = 20,248,161,839.34/133,035.40
  6. Step 6: Final answer
    x = 152,201.31

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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.