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Finding the Fourth Proportional to 227,273, 340,958.71 and 87,031.63

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Solution

The fourth proportional to 227,273, 340,958.71 and 87,031.63 is: 130,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,273 : 340,958.71 = 87,031.63 : x
  2. Step 2: Convert to fraction form
    227,273/340,958.71 = 87,031.63/x
  3. Step 3: Cross multiply
    227,273x = 340,958.71 × 87,031.63
  4. Step 4: Simplify right side
    227,273x = 29,674,192,294.00
  5. Step 5: Solve for x
    x = 29,674,192,294.00/227,273
  6. Step 6: Final answer
    x = 130,566.29

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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.