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Finding the Fourth Proportional to 194,159, 267,945.90 and 118,692.92

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Solution

The fourth proportional to 194,159, 267,945.90 and 118,692.92 is: 163,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,159 : 267,945.90 = 118,692.92 : x
  2. Step 2: Convert to fraction form
    194,159/267,945.90 = 118,692.92/x
  3. Step 3: Cross multiply
    194,159x = 267,945.90 × 118,692.92
  4. Step 4: Simplify right side
    194,159x = 31,803,281,273.03
  5. Step 5: Solve for x
    x = 31,803,281,273.03/194,159
  6. Step 6: Final answer
    x = 163,800.19

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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.