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Finding the Fourth Proportional to 159,636.33, 239,538.33 and 70,953.48

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Solution

The fourth proportional to 159,636.33, 239,538.33 and 70,953.48 is: 106,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,636.33 : 239,538.33 = 70,953.48 : x
  2. Step 2: Convert to fraction form
    159,636.33/239,538.33 = 70,953.48/x
  3. Step 3: Cross multiply
    159,636.33x = 239,538.33 × 70,953.48
  4. Step 4: Simplify right side
    159,636.33x = 16,996,078,106.89
  5. Step 5: Solve for x
    x = 16,996,078,106.89/159,636.33
  6. Step 6: Final answer
    x = 106,467.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.