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Finding the Fourth Proportional to 260,147.97, 359,062.07 and 158,151.80

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Solution

The fourth proportional to 260,147.97, 359,062.07 and 158,151.80 is: 218,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,147.97 : 359,062.07 = 158,151.80 : x
  2. Step 2: Convert to fraction form
    260,147.97/359,062.07 = 158,151.80/x
  3. Step 3: Cross multiply
    260,147.97x = 359,062.07 × 158,151.80
  4. Step 4: Simplify right side
    260,147.97x = 56,786,312,789.12
  5. Step 5: Solve for x
    x = 56,786,312,789.12/260,147.97
  6. Step 6: Final answer
    x = 218,284.67

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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.