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Finding the Fourth Proportional to 117,367.31, 176,060.81 and 37,416.63

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Solution

The fourth proportional to 117,367.31, 176,060.81 and 37,416.63 is: 56,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,367.31 : 176,060.81 = 37,416.63 : x
  2. Step 2: Convert to fraction form
    117,367.31/176,060.81 = 37,416.63/x
  3. Step 3: Cross multiply
    117,367.31x = 176,060.81 × 37,416.63
  4. Step 4: Simplify right side
    117,367.31x = 6,587,601,998.19
  5. Step 5: Solve for x
    x = 6,587,601,998.19/117,367.31
  6. Step 6: Final answer
    x = 56,128.08

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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.