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Finding the Fourth Proportional to 117,644.70, 176,471.19 and 37,685.10

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Solution

The fourth proportional to 117,644.70, 176,471.19 and 37,685.10 is: 56,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.70 : 176,471.19 = 37,685.10 : x
  2. Step 2: Convert to fraction form
    117,644.70/176,471.19 = 37,685.10/x
  3. Step 3: Cross multiply
    117,644.70x = 176,471.19 × 37,685.10
  4. Step 4: Simplify right side
    117,644.70x = 6,650,334,442.27
  5. Step 5: Solve for x
    x = 6,650,334,442.27/117,644.70
  6. Step 6: Final answer
    x = 56,528.98

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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.