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Finding the Fourth Proportional to 160,692.54, 240,941.58 and 71,929.50

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Solution

The fourth proportional to 160,692.54, 240,941.58 and 71,929.50 is: 107,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,692.54 : 240,941.58 = 71,929.50 : x
  2. Step 2: Convert to fraction form
    160,692.54/240,941.58 = 71,929.50/x
  3. Step 3: Cross multiply
    160,692.54x = 240,941.58 × 71,929.50
  4. Step 4: Simplify right side
    160,692.54x = 17,330,807,378.61
  5. Step 5: Solve for x
    x = 17,330,807,378.61/160,692.54
  6. Step 6: Final answer
    x = 107,850.73

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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.