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Finding the Fourth Proportional to 118,692.82, 163,798.12 and 73,369.64

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Solution

The fourth proportional to 118,692.82, 163,798.12 and 73,369.64 is: 101,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692.82 : 163,798.12 = 73,369.64 : x
  2. Step 2: Convert to fraction form
    118,692.82/163,798.12 = 73,369.64/x
  3. Step 3: Cross multiply
    118,692.82x = 163,798.12 × 73,369.64
  4. Step 4: Simplify right side
    118,692.82x = 12,017,808,278.09
  5. Step 5: Solve for x
    x = 12,017,808,278.09/118,692.82
  6. Step 6: Final answer
    x = 101,251.35

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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.