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Finding the Fourth Proportional to 159,644.34, 220,292.34 and 88,020.12

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Solution

The fourth proportional to 159,644.34, 220,292.34 and 88,020.12 is: 121,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.34 : 220,292.34 = 88,020.12 : x
  2. Step 2: Convert to fraction form
    159,644.34/220,292.34 = 88,020.12/x
  3. Step 3: Cross multiply
    159,644.34x = 220,292.34 × 88,020.12
  4. Step 4: Simplify right side
    159,644.34x = 19,390,158,201.88
  5. Step 5: Solve for x
    x = 19,390,158,201.88/159,644.34
  6. Step 6: Final answer
    x = 121,458.48

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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.