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Finding the Fourth Proportional to 231,497.40, 347,271 and 73,688.94

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Solution

The fourth proportional to 231,497.40, 347,271 and 73,688.94 is: 110,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,497.40 : 347,271 = 73,688.94 : x
  2. Step 2: Convert to fraction form
    231,497.40/347,271 = 73,688.94/x
  3. Step 3: Cross multiply
    231,497.40x = 347,271 × 73,688.94
  4. Step 4: Simplify right side
    231,497.40x = 25,590,031,882.74
  5. Step 5: Solve for x
    x = 25,590,031,882.74/231,497.40
  6. Step 6: Final answer
    x = 110,541.34

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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.