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Finding the Fourth Proportional to 159,548.69, 220,174.24 and 86,952.16

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Solution

The fourth proportional to 159,548.69, 220,174.24 and 86,952.16 is: 119,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,548.69 : 220,174.24 = 86,952.16 : x
  2. Step 2: Convert to fraction form
    159,548.69/220,174.24 = 86,952.16/x
  3. Step 3: Cross multiply
    159,548.69x = 220,174.24 × 86,952.16
  4. Step 4: Simplify right side
    159,548.69x = 19,144,625,744.36
  5. Step 5: Solve for x
    x = 19,144,625,744.36/159,548.69
  6. Step 6: Final answer
    x = 119,992.37

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1.5x scale

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.