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Finding the Fourth Proportional to 117,889.27, 176,779.63 and 37,912.42

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Solution

The fourth proportional to 117,889.27, 176,779.63 and 37,912.42 is: 56,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.27 : 176,779.63 = 37,912.42 : x
  2. Step 2: Convert to fraction form
    117,889.27/176,779.63 = 37,912.42/x
  3. Step 3: Cross multiply
    117,889.27x = 176,779.63 × 37,912.42
  4. Step 4: Simplify right side
    117,889.27x = 6,702,143,848.37
  5. Step 5: Solve for x
    x = 6,702,143,848.37/117,889.27
  6. Step 6: Final answer
    x = 56,851.18

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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.