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Finding the Fourth Proportional to 159,616.34, 220,112.73 and 135,483.20

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Solution

The fourth proportional to 159,616.34, 220,112.73 and 135,483.20 is: 186,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,616.34 : 220,112.73 = 135,483.20 : x
  2. Step 2: Convert to fraction form
    159,616.34/220,112.73 = 135,483.20/x
  3. Step 3: Cross multiply
    159,616.34x = 220,112.73 × 135,483.20
  4. Step 4: Simplify right side
    159,616.34x = 29,821,575,920.57
  5. Step 5: Solve for x
    x = 29,821,575,920.57/159,616.34
  6. Step 6: Final answer
    x = 186,832.86

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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.