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Finding the Fourth Proportional to 151,457.40, 227,186.10 and 92,408.40

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Solution

The fourth proportional to 151,457.40, 227,186.10 and 92,408.40 is: 138,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,457.40 : 227,186.10 = 92,408.40 : x
  2. Step 2: Convert to fraction form
    151,457.40/227,186.10 = 92,408.40/x
  3. Step 3: Cross multiply
    151,457.40x = 227,186.10 × 92,408.40
  4. Step 4: Simplify right side
    151,457.40x = 20,993,904,003.24
  5. Step 5: Solve for x
    x = 20,993,904,003.24/151,457.40
  6. Step 6: Final answer
    x = 138,612.60

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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.