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Finding the Fourth Proportional to 238,230.61, 328,912.10 and 147,683.35

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Solution

The fourth proportional to 238,230.61, 328,912.10 and 147,683.35 is: 203,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,230.61 : 328,912.10 = 147,683.35 : x
  2. Step 2: Convert to fraction form
    238,230.61/328,912.10 = 147,683.35/x
  3. Step 3: Cross multiply
    238,230.61x = 328,912.10 × 147,683.35
  4. Step 4: Simplify right side
    238,230.61x = 48,574,839,575.30
  5. Step 5: Solve for x
    x = 48,574,839,575.30/238,230.61
  6. Step 6: Final answer
    x = 203,898.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.