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Finding the Fourth Proportional to 162,238.37, 243,316.47 and 48,359.90

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Solution

The fourth proportional to 162,238.37, 243,316.47 and 48,359.90 is: 72,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,238.37 : 243,316.47 = 48,359.90 : x
  2. Step 2: Convert to fraction form
    162,238.37/243,316.47 = 48,359.90/x
  3. Step 3: Cross multiply
    162,238.37x = 243,316.47 × 48,359.90
  4. Step 4: Simplify right side
    162,238.37x = 11,766,758,940.97
  5. Step 5: Solve for x
    x = 11,766,758,940.97/162,238.37
  6. Step 6: Final answer
    x = 72,527.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.