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Finding the Fourth Proportional to 159,851.60, 220,570.06 and 91,855.42

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Solution

The fourth proportional to 159,851.60, 220,570.06 and 91,855.42 is: 126,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851.60 : 220,570.06 = 91,855.42 : x
  2. Step 2: Convert to fraction form
    159,851.60/220,570.06 = 91,855.42/x
  3. Step 3: Cross multiply
    159,851.60x = 220,570.06 × 91,855.42
  4. Step 4: Simplify right side
    159,851.60x = 20,260,555,150.23
  5. Step 5: Solve for x
    x = 20,260,555,150.23/159,851.60
  6. Step 6: Final answer
    x = 126,746.03

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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.