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Finding the Fourth Proportional to 268,611.69, 370,692.96 and 147,762.27

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Solution

The fourth proportional to 268,611.69, 370,692.96 and 147,762.27 is: 203,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,611.69 : 370,692.96 = 147,762.27 : x
  2. Step 2: Convert to fraction form
    268,611.69/370,692.96 = 147,762.27/x
  3. Step 3: Cross multiply
    268,611.69x = 370,692.96 × 147,762.27
  4. Step 4: Simplify right side
    268,611.69x = 54,774,433,242.62
  5. Step 5: Solve for x
    x = 54,774,433,242.62/268,611.69
  6. Step 6: Final answer
    x = 203,916.79

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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.