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Finding the Fourth Proportional to 207,234.59, 310,851.87 and 57,474.88

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Solution

The fourth proportional to 207,234.59, 310,851.87 and 57,474.88 is: 86,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,234.59 : 310,851.87 = 57,474.88 : x
  2. Step 2: Convert to fraction form
    207,234.59/310,851.87 = 57,474.88/x
  3. Step 3: Cross multiply
    207,234.59x = 310,851.87 × 57,474.88
  4. Step 4: Simplify right side
    207,234.59x = 17,866,173,638.65
  5. Step 5: Solve for x
    x = 17,866,173,638.65/207,234.59
  6. Step 6: Final answer
    x = 86,212.31

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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.