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Finding the Fourth Proportional to 159,575.03, 239,159.03 and 84,731.03

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Solution

The fourth proportional to 159,575.03, 239,159.03 and 84,731.03 is: 126,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,575.03 : 239,159.03 = 84,731.03 : x
  2. Step 2: Convert to fraction form
    159,575.03/239,159.03 = 84,731.03/x
  3. Step 3: Cross multiply
    159,575.03x = 239,159.03 × 84,731.03
  4. Step 4: Simplify right side
    159,575.03x = 20,264,189,326.25
  5. Step 5: Solve for x
    x = 20,264,189,326.25/159,575.03
  6. Step 6: Final answer
    x = 126,988.48

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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.