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Finding the Fourth Proportional to 162,581.65, 224,375.95 and 93,692.54

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Solution

The fourth proportional to 162,581.65, 224,375.95 and 93,692.54 is: 129,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,581.65 : 224,375.95 = 93,692.54 : x
  2. Step 2: Convert to fraction form
    162,581.65/224,375.95 = 93,692.54/x
  3. Step 3: Cross multiply
    162,581.65x = 224,375.95 × 93,692.54
  4. Step 4: Simplify right side
    162,581.65x = 21,022,353,348.47
  5. Step 5: Solve for x
    x = 21,022,353,348.47/162,581.65
  6. Step 6: Final answer
    x = 129,303.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.