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Finding the Fourth Proportional to 162,701.94, 224,526.97 and 91,082.55

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Solution

The fourth proportional to 162,701.94, 224,526.97 and 91,082.55 is: 125,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,701.94 : 224,526.97 = 91,082.55 : x
  2. Step 2: Convert to fraction form
    162,701.94/224,526.97 = 91,082.55/x
  3. Step 3: Cross multiply
    162,701.94x = 224,526.97 × 91,082.55
  4. Step 4: Simplify right side
    162,701.94x = 20,450,488,971.37
  5. Step 5: Solve for x
    x = 20,450,488,971.37/162,701.94
  6. Step 6: Final answer
    x = 125,692.96

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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.