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Finding the Fourth Proportional to 306,051.10, 459,076.65 and 119,062.60

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Solution

The fourth proportional to 306,051.10, 459,076.65 and 119,062.60 is: 178,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,051.10 : 459,076.65 = 119,062.60 : x
  2. Step 2: Convert to fraction form
    306,051.10/459,076.65 = 119,062.60/x
  3. Step 3: Cross multiply
    306,051.10x = 459,076.65 × 119,062.60
  4. Step 4: Simplify right side
    306,051.10x = 54,658,859,548.29
  5. Step 5: Solve for x
    x = 54,658,859,548.29/306,051.10
  6. Step 6: Final answer
    x = 178,593.90

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Why These Related Problems?

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