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Finding the Fourth Proportional to 133,058.10, 199,259.10 and 88,443.30

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Solution

The fourth proportional to 133,058.10, 199,259.10 and 88,443.30 is: 132,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.10 : 199,259.10 = 88,443.30 : x
  2. Step 2: Convert to fraction form
    133,058.10/199,259.10 = 88,443.30/x
  3. Step 3: Cross multiply
    133,058.10x = 199,259.10 × 88,443.30
  4. Step 4: Simplify right side
    133,058.10x = 17,623,132,359.03
  5. Step 5: Solve for x
    x = 17,623,132,359.03/133,058.10
  6. Step 6: Final answer
    x = 132,446.90

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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.