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Finding the Fourth Proportional to 152,060.88, 209,844.68 and 84,082.64

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Solution

The fourth proportional to 152,060.88, 209,844.68 and 84,082.64 is: 116,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,060.88 : 209,844.68 = 84,082.64 : x
  2. Step 2: Convert to fraction form
    152,060.88/209,844.68 = 84,082.64/x
  3. Step 3: Cross multiply
    152,060.88x = 209,844.68 × 84,082.64
  4. Step 4: Simplify right side
    152,060.88x = 17,644,294,684.36
  5. Step 5: Solve for x
    x = 17,644,294,684.36/152,060.88
  6. Step 6: Final answer
    x = 116,034.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.