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Finding the Fourth Proportional to 227,172.48, 340,762.28 and 67,264.64

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Solution

The fourth proportional to 227,172.48, 340,762.28 and 67,264.64 is: 100,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,172.48 : 340,762.28 = 67,264.64 : x
  2. Step 2: Convert to fraction form
    227,172.48/340,762.28 = 67,264.64/x
  3. Step 3: Cross multiply
    227,172.48x = 340,762.28 × 67,264.64
  4. Step 4: Simplify right side
    227,172.48x = 22,921,252,089.78
  5. Step 5: Solve for x
    x = 22,921,252,089.78/227,172.48
  6. Step 6: Final answer
    x = 100,898.01

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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.