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Finding the Fourth Proportional to 231,818.70, 348,056.10 and 181,955.10

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Solution

The fourth proportional to 231,818.70, 348,056.10 and 181,955.10 is: 273,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,818.70 : 348,056.10 = 181,955.10 : x
  2. Step 2: Convert to fraction form
    231,818.70/348,056.10 = 181,955.10/x
  3. Step 3: Cross multiply
    231,818.70x = 348,056.10 × 181,955.10
  4. Step 4: Simplify right side
    231,818.70x = 63,330,582,481.11
  5. Step 5: Solve for x
    x = 63,330,582,481.11/231,818.70
  6. Step 6: Final answer
    x = 273,190.14

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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.