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Finding the Fourth Proportional to 117,649.44, 176,472.64 and 28,903.36

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Solution

The fourth proportional to 117,649.44, 176,472.64 and 28,903.36 is: 43,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.44 : 176,472.64 = 28,903.36 : x
  2. Step 2: Convert to fraction form
    117,649.44/176,472.64 = 28,903.36/x
  3. Step 3: Cross multiply
    117,649.44x = 176,472.64 × 28,903.36
  4. Step 4: Simplify right side
    117,649.44x = 5,100,652,244.07
  5. Step 5: Solve for x
    x = 5,100,652,244.07/117,649.44
  6. Step 6: Final answer
    x = 43,354.67

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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.