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Finding the Fourth Proportional to 268,611.44, 370,692.60 and 147,762.01

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Solution

The fourth proportional to 268,611.44, 370,692.60 and 147,762.01 is: 203,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,611.44 : 370,692.60 = 147,762.01 : x
  2. Step 2: Convert to fraction form
    268,611.44/370,692.60 = 147,762.01/x
  3. Step 3: Cross multiply
    268,611.44x = 370,692.60 × 147,762.01
  4. Step 4: Simplify right side
    268,611.44x = 54,774,281,814.66
  5. Step 5: Solve for x
    x = 54,774,281,814.66/268,611.44
  6. Step 6: Final answer
    x = 203,916.41

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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.