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Finding the Fourth Proportional to 178,783.85, 246,618.63 and 107,122.34

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Solution

The fourth proportional to 178,783.85, 246,618.63 and 107,122.34 is: 147,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,783.85 : 246,618.63 = 107,122.34 : x
  2. Step 2: Convert to fraction form
    178,783.85/246,618.63 = 107,122.34/x
  3. Step 3: Cross multiply
    178,783.85x = 246,618.63 × 107,122.34
  4. Step 4: Simplify right side
    178,783.85x = 26,418,365,349.74
  5. Step 5: Solve for x
    x = 26,418,365,349.74/178,783.85
  6. Step 6: Final answer
    x = 147,767.07

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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.