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Finding the Fourth Proportional to 159,576.93, 218,619.50 and 153,594.27

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Solution

The fourth proportional to 159,576.93, 218,619.50 and 153,594.27 is: 210,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,576.93 : 218,619.50 = 153,594.27 : x
  2. Step 2: Convert to fraction form
    159,576.93/218,619.50 = 153,594.27/x
  3. Step 3: Cross multiply
    159,576.93x = 218,619.50 × 153,594.27
  4. Step 4: Simplify right side
    159,576.93x = 33,578,701,742.29
  5. Step 5: Solve for x
    x = 33,578,701,742.29/159,576.93
  6. Step 6: Final answer
    x = 210,423.28

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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.