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Finding the Fourth Proportional to 117,371.01, 176,012.29 and 42,472.63

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Solution

The fourth proportional to 117,371.01, 176,012.29 and 42,472.63 is: 63,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,371.01 : 176,012.29 = 42,472.63 : x
  2. Step 2: Convert to fraction form
    117,371.01/176,012.29 = 42,472.63/x
  3. Step 3: Cross multiply
    117,371.01x = 176,012.29 × 42,472.63
  4. Step 4: Simplify right side
    117,371.01x = 7,475,704,868.62
  5. Step 5: Solve for x
    x = 7,475,704,868.62/117,371.01
  6. Step 6: Final answer
    x = 63,692.94

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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.