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Finding the Fourth Proportional to 146,569.20, 205,611.60 and 146,569.20

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Solution

The fourth proportional to 146,569.20, 205,611.60 and 146,569.20 is: 205,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,569.20 : 205,611.60 = 146,569.20 : x
  2. Step 2: Convert to fraction form
    146,569.20/205,611.60 = 146,569.20/x
  3. Step 3: Cross multiply
    146,569.20x = 205,611.60 × 146,569.20
  4. Step 4: Simplify right side
    146,569.20x = 30,136,327,722.72
  5. Step 5: Solve for x
    x = 30,136,327,722.72/146,569.20
  6. Step 6: Final answer
    x = 205,611.60

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.