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Finding the Fourth Proportional to 237,835.40, 356,753.10 and 80,047.40

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Solution

The fourth proportional to 237,835.40, 356,753.10 and 80,047.40 is: 120,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,835.40 : 356,753.10 = 80,047.40 : x
  2. Step 2: Convert to fraction form
    237,835.40/356,753.10 = 80,047.40/x
  3. Step 3: Cross multiply
    237,835.40x = 356,753.10 × 80,047.40
  4. Step 4: Simplify right side
    237,835.40x = 28,557,158,096.94
  5. Step 5: Solve for x
    x = 28,557,158,096.94/237,835.40
  6. Step 6: Final answer
    x = 120,071.10

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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.