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Finding the Fourth Proportional to 159,550.14, 220,235.59 and 142,524.82

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Solution

The fourth proportional to 159,550.14, 220,235.59 and 142,524.82 is: 196,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.14 : 220,235.59 = 142,524.82 : x
  2. Step 2: Convert to fraction form
    159,550.14/220,235.59 = 142,524.82/x
  3. Step 3: Cross multiply
    159,550.14x = 220,235.59 × 142,524.82
  4. Step 4: Simplify right side
    159,550.14x = 31,389,038,275.79
  5. Step 5: Solve for x
    x = 31,389,038,275.79/159,550.14
  6. Step 6: Final answer
    x = 196,734.63

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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.