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Finding the Fourth Proportional to 159,504.67, 220,148.22 and 91,567.54

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Solution

The fourth proportional to 159,504.67, 220,148.22 and 91,567.54 is: 126,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,504.67 : 220,148.22 = 91,567.54 : x
  2. Step 2: Convert to fraction form
    159,504.67/220,148.22 = 91,567.54/x
  3. Step 3: Cross multiply
    159,504.67x = 220,148.22 × 91,567.54
  4. Step 4: Simplify right side
    159,504.67x = 20,158,430,940.78
  5. Step 5: Solve for x
    x = 20,158,430,940.78/159,504.67
  6. Step 6: Final answer
    x = 126,381.45

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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.