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Finding the Fourth Proportional to 178,783.59, 246,618.28 and 107,122.10

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Solution

The fourth proportional to 178,783.59, 246,618.28 and 107,122.10 is: 147,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,783.59 : 246,618.28 = 107,122.10 : x
  2. Step 2: Convert to fraction form
    178,783.59/246,618.28 = 107,122.10/x
  3. Step 3: Cross multiply
    178,783.59x = 246,618.28 × 107,122.10
  4. Step 4: Simplify right side
    178,783.59x = 26,418,268,051.99
  5. Step 5: Solve for x
    x = 26,418,268,051.99/178,783.59
  6. Step 6: Final answer
    x = 147,766.74

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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.