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Finding the Fourth Proportional to 159,615.93, 218,672.93 and 153,633.27

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Solution

The fourth proportional to 159,615.93, 218,672.93 and 153,633.27 is: 210,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615.93 : 218,672.93 = 153,633.27 : x
  2. Step 2: Convert to fraction form
    159,615.93/218,672.93 = 153,633.27/x
  3. Step 3: Cross multiply
    159,615.93x = 218,672.93 × 153,633.27
  4. Step 4: Simplify right side
    159,615.93x = 33,595,436,528.21
  5. Step 5: Solve for x
    x = 33,595,436,528.21/159,615.93
  6. Step 6: Final answer
    x = 210,476.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.